diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bower.json b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bower.json
new file mode 100644
index 0000000..a913870
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bower.json
@@ -0,0 +1,43 @@
+{
+  "name": "ng-lodash",
+  "version": "0.3.0",
+  "description": "An Angular module wrapper for lodash",
+  "author": [
+    "Rockabox <tech@rockabox.com> (http://www.rockabox.com)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "nglodash",
+    "angular",
+    "lodash"
+  ],
+  "ignore": [
+    "test",
+    "*.",
+    "karma.conf.js",
+    "Gruntfile.js"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/rockabox/ng-lodash.git"
+  },
+  "main": [
+    "build/ng-lodash.js"
+  ],
+  "dependencies": {
+    "angular": ">=1.2"
+  },
+  "devDependencies": {
+    "angular-mocks": ">=1.2"
+  },
+  "homepage": "https://github.com/rockabox/ng-lodash",
+  "_release": "0.3.0",
+  "_resolution": {
+    "type": "version",
+    "tag": "0.3.0",
+    "commit": "16eedfec93b22cea2bbf1732b96d08fc11bce5f6"
+  },
+  "_source": "git://github.com/rockabox/ng-lodash.git",
+  "_target": "~0.3.0",
+  "_originalSource": "ng-lodash"
+}
\ No newline at end of file
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bowerrc b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bowerrc
new file mode 100644
index 0000000..daf4083
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.bowerrc
@@ -0,0 +1,3 @@
+{
+    "directory": "lib"
+}
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.editorconfig b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.editorconfig
new file mode 100644
index 0000000..03b2556
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.editorconfig
@@ -0,0 +1,12 @@
+# editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 120
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.gitignore b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.gitignore
new file mode 100644
index 0000000..904971f
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.gitignore
@@ -0,0 +1,3 @@
+.grunt
+node_modules
+lib
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jscsrc b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jscsrc
new file mode 100644
index 0000000..84bb7cf
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jscsrc
@@ -0,0 +1,153 @@
+{
+    "requireCurlyBraces": [
+        "if",
+        "else",
+        "for",
+        "while",
+        "do",
+        "try",
+        "catch"
+    ],
+    "requireSpaceAfterKeywords": [
+        "if",
+        "else",
+        "for",
+        "while",
+        "do",
+        "switch",
+        "return",
+        "try",
+        "catch"
+    ],
+    "requireSpaceBeforeBlockStatements": true,
+    "requireSpacesInConditionalExpression": {
+        "afterTest": true,
+        "beforeConsequent": true,
+        "afterConsequent": true,
+        "beforeAlternate": true
+    },
+    "requireSpacesInFunctionExpression": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "requireSpacesInAnonymousFunctionExpression": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "requireSpacesInNamedFunctionExpression": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "requireSpacesInFunctionDeclaration": {
+        "beforeOpeningRoundBrace": true,
+        "beforeOpeningCurlyBrace": true
+    },
+    "requireMultipleVarDecl": true,
+    "requireBlocksOnNewline": 1,
+    "disallowEmptyBlocks": true,
+    "disallowSpacesInsideObjectBrackets": true,
+    "disallowSpacesInsideArrayBrackets": true,
+    "disallowSpacesInsideParentheses": true,
+    "disallowSpaceAfterObjectKeys": true,
+    "requireCommaBeforeLineBreak": true,
+    "requireOperatorBeforeLineBreak": [
+        "?",
+        "=",
+        "+",
+        "-",
+        "/",
+        "*",
+        "==",
+        "===",
+        "!=",
+        "!==",
+        ">",
+        ">=",
+        "<",
+        "<="
+    ],
+    "requireSpaceBeforeBinaryOperators": [
+        "?",
+        "=",
+        "+",
+        "-",
+        "/",
+        "*",
+        "==",
+        "===",
+        "!=",
+        "!==",
+        ">",
+        ">=",
+        "<",
+        "<="
+    ],
+    "requireSpaceAfterBinaryOperators": [
+        "?",
+        "=",
+        "+",
+        "/",
+        "*",
+        ":",
+        "==",
+        "===",
+        "!=",
+        "!==",
+        ">",
+        ">=",
+        "<",
+        "<=",
+        ","
+    ],
+    "disallowSpaceBeforeBinaryOperators": [","],
+    "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+    "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+    "requireSpaceBeforeBinaryOperators": [
+        "=",
+        "+",
+        "-",
+        "/",
+        "*",
+        "==",
+        "===",
+        "!=",
+        "!=="
+    ],
+    "requireSpaceAfterBinaryOperators": [
+        "=",
+        ",",
+        "+",
+        "-",
+        "/",
+        "*",
+        "==",
+        "===",
+        "!=",
+        "!=="
+    ],
+    "disallowImplicitTypeConversion": [
+        "numeric",
+        "boolean",
+        "binary",
+        "string"
+    ],
+    "requireCamelCaseOrUpperCaseIdentifiers": true,
+    "disallowKeywords": ["with"],
+    "disallowMultipleLineBreaks": true,
+    "validateLineBreaks": "LF",
+    "validateQuoteMarks": "'",
+    "validateIndentation": 4,
+    "disallowMixedSpacesAndTabs": true,
+    "disallowTrailingWhitespace": true,
+    "disallowTrailingComma": true,
+    "disallowKeywordsOnNewLine": ["else"],
+    "maximumLineLength": 120,
+    "safeContextKeyword": ["$this"],
+    "disallowYodaConditions": true,
+    "validateJSDoc": {
+        "checkParamNames": true,
+        "checkRedundantParams": true,
+        "requireParamTypes": true
+    },
+    "requireLineFeedAtFileEnd": true
+}
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jshintrc b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jshintrc
new file mode 100644
index 0000000..75c081f
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.jshintrc
@@ -0,0 +1,19 @@
+{
+    // Predefined globals
+    "browser"       : true,     // Standard browser globals
+
+    // Development
+    "debug"         : false,    // Allow debugger statements e.g. browser breakpoints.
+    "devel"         : true,     // Allow development statements e.g. `console.log();`.
+
+    // The Good Parts
+    "evil"          : false,    // Tolerate use of `eval`.
+    "regexdash"     : true,     // Tolerate unescaped last dash i.e. `[-...]`.
+    "trailing"      : true,     // Prohibit trailing whitespaces.
+    "sub"           : true,     // Tolerate all forms of subscript notation besides dot notation e.g. `dict['key']` instead of `dict.key`.
+    "eqeqeq"        : false,    // Require triple equals i.e. `===`.
+
+    // Styling preferences.
+    "indent"        : 4,        // Indent level
+    "camelcase"     : true      // Use CAMEL Casing for variables
+}
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.travis.yml b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.travis.yml
new file mode 100644
index 0000000..6e5919d
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "0.10"
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/CONTRIBUTING.md b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/CONTRIBUTING.md
new file mode 100644
index 0000000..930d581
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/CONTRIBUTING.md
@@ -0,0 +1,657 @@
+# Contributing
+
+This document outlines general guidelines, best practices and coding style rules
+for developers contributing to the project.
+
+## Contents
+
+- [Pull requests](#pull-requests)
+- [Bugs](#bugs)
+- [Features](#features)
+- [Node dependencies](#node-dependencies)
+- [Frontend dependencies](#frontend-dependencies)
+- [Using grunt](#grunt)
+- [JS Guidelines](#js)
+
+## Pull requests
+
+If you fixed or added something useful to the project, you can send a
+pull request. It will be reviewed by maintainer and accepted, or commented for
+rework, or declined.
+
+## Bugs
+
+If you found an error, typo or any other flaw in the project, please report
+about it using GitHub Issues. The more details you provide, the easier it could
+be reproduced and the faster it could be fixed. Unfortunately, sometimes the
+bug can only be reproduced in your project or in your environment, so
+maintainers cannot reproduce it. In this case we believe you can fix the bug
+and send us the fix.
+
+## Features
+
+If you've got an idea about a new feature, it's most likely that you'll have to
+implement it on your own. If you cannot implement the feature, but it is very
+important, you can create an issue at GitHub, but expect it to be declined by
+the maintainer.
+
+## Node dependencies
+
+This project's build process uses Node npm modules defined via the
+`package.json` file.
+
+To add the latest version of new npm package to the project and automatically
+append it to `package.json` run:
+
+```
+npm install <pkg> --save-dev
+```
+
+If new packages have been added by other contributors then run:
+
+```
+npm update
+```
+
+To update all your local packages to the latest possible versions as constrained
+by `package.json` then run:
+
+```
+npm install
+```
+
+### JS
+
+#### General top level guidelines
+
+- Don't skip semicolons
+- 4 spaces for indentation
+- Single quotes for strings
+- Use `{}` instead of `new Object();`
+- Use `[]` instead of `new Array();`
+- Don't use single line `if` statements.
+- 80 chars maximum line length.
+- Use inline comments only where needed to document dense code, code should
+otherwise be clearly comprehensible without redundant commenting
+- Add a whitespace char when writing inline comments, i.e `// Good` vs `//Bad`.
+
+#### Variable naming
+
+- Always use `var` to declare variables.
+- Use only one `var` for multiple variables.
+- Define variables before use.
+- Define constants in CAPS.
+
+```js
+// Good
+var aVariable = 0,
+    aSecondVariable = null,
+    A_CONSTANT = 'constant';
+
+// Bad
+var a_variable = 0;
+var a_second_variable = null;
+```
+
+#### Whitespace
+
+Our JavaScript code is compressed so don't try and save on space when writing
+code, focus on readability by trying to (however do not add unnecessary spaces).
+
+ - Use one (and only one) blank line to separate logical sets of code.
+ - Add a whitespace character after keywords like `if` and after right
+parenthesis.
+ - Add a whitespace character after commas.
+ - Leave a line before a function or `if` statement.
+
+```js
+if (foo === 'foo') {
+    var array = ['one', 'two', 'three'];
+    bar(array);
+
+    foo = 'bar';
+}
+
+function (arg1, arg2) {
+    var foo = arg1;
+    bar(foo);
+}
+```
+
+- Don't add superfluos newlines when writing short/simple indented blocks:
+
+```js
+// Bad
+
+if ( foo ) {
+
+    bar();
+}
+
+function ( baz ) {
+
+    bar();
+}
+```
+
+- Do add newlines in blocks when the opening part of the block has wrapped onto
+a newline due to the 80 char line length limit:
+
+```js
+// Good
+
+angular.module('foo')
+    .controller('FooCtrl', function ($scope, $someReallyLongServiceName,
+        $anotherService, $somethingElse) {
+
+        $scope.bar = 'baz';
+        $scope.qux = 'quux';
+    });
+```
+
+#### JSHint
+
+This repo uses [JSHint](http://www.jshint.com/about/), defined in
+[.jshintrc](../../.jshintrc). Files are checked on save, and errors are visible
+in the console. Optionally this config file can also be used by your code
+editor.
+
+The following guidelines are checked by JSHint.
+
+- Four spaces for indentation, never tabs.
+- Lines no longer than 80 Characters (including comments).
+- Use single `'` quotes for strings.
+- Use `===` and `!==` over `==` and `!=`
+- Use `camelCase` for variables.
+- Don't leave trailing whitespace.
+
+#### JS Code Style (JSCS)
+
+This repo also uses [JSCS](https://github.com/mdevils/node-jscs), defined in
+[.jscsrc](../../.jscsrc). Files are checked on save, and errors are visible in
+the console. Optionally this config file can also be used by your code editor.
+
+The following rules have been defined.
+
+##### `requireCurlyBraces`
+
+Use curly braces after statements.
+
+```js
+// Good
+if (x) {
+    x++;
+}
+
+// Bad
+if (x) x++;
+```
+
+##### `requireSpaceAfterKeywords`
+
+Use spaces after keywords:
+
+```js
+// Good
+if (x) {
+    x++;
+}
+
+// Bad
+if(x) {
+    x++;
+}
+```
+
+##### `requireSpaceBeforeBlockStatements`
+
+Use spaces after parenthesis, before curly brace:
+
+```js
+// Good
+if (x) {
+    x++;
+}
+
+// Bad
+if (x){
+    x++;
+}
+```
+
+##### `requireSpacesInConditionalExpression`
+
+Use spaces around conditional expressions:
+
+```js
+// Good
+var a = b ? c : d;
+
+// Bad
+var a=b?c:d;
+```
+
+##### `requireSpacesInFunctionExpression`
+
+
+##### `requireSpacesInAnonymousFunctionExpression`
+
+
+##### `requireSpacesInNamedFunctionExpression`
+
+
+##### `requireSpacesInFunctionDeclaration`
+
+Use spaces before and after parenthesis:
+
+```js
+// Good
+function a () {}
+
+// Bad
+function a() {}
+function a (){}
+```
+
+##### `requireMultipleVarDecl`
+
+Use one `var` statement for multiple variables:
+
+```js
+// Good
+var x = 1,
+    y = 2;
+
+// Bad
+var x = 1;
+var y = 2;
+```
+
+##### `requireBlocksOnNewline`
+
+Use new lines for multiple statements
+
+```js
+// Good
+if (true) {
+    doSomething();
+    doSomethingElse();
+}
+
+// Bad
+if (true) { doSomething(); doSomethingElse(); }
+```
+
+##### `disallowEmptyBlocks`
+
+Don't use empty blocks
+
+```js
+// Good
+if ( a === b ) {
+    c = d;
+}
+
+// Bad
+if ( a !== b ) {
+
+} else {
+    c = d;
+}
+```
+
+##### `disallowSpacesInsideObjectBrackets`
+
+Don't use a space after an opening or before a closing curly bracket
+
+```js
+// Good
+var x = {a: 1};
+
+// Bad
+var x = { a: 1 };
+```
+
+##### `disallowSpacesInsideArrayBrackets`
+
+Don't use a space after an opening or before a closing square bracket
+
+```js
+// Good
+var x = [1];
+
+// Bad
+var x = [ 1 ];
+```
+
+##### `disallowSpacesInsideParentheses`
+
+Don't use a space after an opening or before a closing parenthesis
+
+```js
+// Good
+var x = (1 + 2) * 3;
+
+// Bad
+var x = ( 1 + 2 ) * 3;
+```
+
+##### `disallowSpaceAfterObjectKeys`
+
+Don't use a space after a key in an object
+
+```js
+// Good
+var x = {a: 1};
+
+// Bad
+var x = {a : 1};
+```
+
+##### `requireCommaBeforeLineBreak`
+
+Don't put commas on the following line
+
+```js
+// Good
+var x = {
+    one: 1,
+    two: 2
+};
+
+// Bad
+var x = {
+    one: 1
+    , two: 2
+};
+```
+
+##### `requireOperatorBeforeLineBreak`
+
+Break lines after (not before) an operator
+
+```js
+// Good
+x = y ?
+    1 : 2;
+
+// Bad
+x = y
+    ? 1 : 2;
+```
+
+##### `disallowLeftStickedOperators`
+
+Put a space before an operator
+
+```js
+// Good
+x = y ? 1 : 2;
+
+// Bad
+x = y? 1 : 2;
+```
+
+##### `disallowRightStickedOperators`
+
+Put a space after an operator
+
+```js
+// Good
+x = y + 1;
+
+// Bad
+x = y +1;
+```
+
+##### `requireLeftStickedOperators`
+
+Don't put a space before a comma
+
+```js
+// Good
+x = [1, 2];
+
+// Bad
+x = [1 , 2];
+```
+
+##### `disallowSpaceAfterPrefixUnaryOperators`
+
+Don't put a space after a prefix unary operator
+
+```js
+// Good
+x = !y;
+y = ++z;
+// Bad
+x = ! y;
+y = ++ z;
+```
+
+##### `disallowSpaceBeforePostfixUnaryOperators`
+
+Don't put a space after a postfix unary operator
+
+```js
+// Good
+x = y++;
+
+// Bad
+x = y ++;
+```
+
+##### `requireSpaceBeforeBinaryOperators`
+
+Put a space before binary operators
+
+```js
+// Good
+x !== y;
+
+// Bad
+x!== y;
+```
+
+##### `requireSpaceAfterBinaryOperators`
+
+Put a space after binary operators
+
+```js
+// Good
+x + y;
+
+// Bad
+x +y;
+```
+
+##### `disallowImplicitTypeConversion`
+
+Don't use implicit type conversion
+
+```js
+// Good
+x = Boolean(y);
+x = Number(y);
+x = String(y);
+x = s.indexOf('.') !== -1;
+
+// Bad
+x = !!y;
+x = +y;
+x = '' + y;
+x = ~s.indexOf('.');
+```
+
+##### `requireCamelCaseOrUpperCaseIdentifiers`
+
+Use camelCase or
+UPPERCASE_WITH_UNDERSCORES for variable names
+
+```js
+// Good
+var camelCase = 0;
+var UPPER_CASE = 4;
+
+// Bad
+var lower_case = 1;
+var Mixed_case = 2;
+var mixed_Case = 3;
+```
+
+##### `disallowKeywords`
+
+Disallow certain keywords from anywhere in the code base.
+
+```js
+// Bad
+with (foo) {
+}
+```
+
+##### `disallowMultipleLineBreaks`
+
+Don't use multiple blank lines in a row
+
+```js
+// Bad
+var x = 1;
+x++;
+```
+
+##### `validateLineBreaks`
+
+Checks line break character consistency:
+
+```js
+// Good
+foo();<LF>
+
+// Bad
+foo();<CRLF>
+foo();<CR>
+```
+##### `validateQuoteMarks`
+
+Check quote mark usage is single quotes.
+
+```js
+// Good
+var foo = 'bar';
+
+// Bad
+var foo = "bar";
+```
+
+##### `validateIndentation`
+
+Check indentation is at 4 spaces, no tabs.
+
+```js
+// Good
+function foo (bar) {
+    console.log(bar);
+}
+
+// Bad
+function foo (bar) {
+  console.log(bar);
+}
+
+```
+
+##### `disallowMixedSpacesAndTabs`
+
+Check that spaces and tabs are not mixed.
+
+##### `disallowTrailingWhitespace`
+
+Check that no line ends in a whitespace char.
+
+```js
+// Good
+var foo = "blah blah";<LF>
+
+// Bad
+var foo = "blah blah"; <LF>
+```
+
+##### `disallowTrailingComma`
+
+Don't use a comma at the end of an array or object
+
+```js
+// Good
+var foo = [1, 2, 3];
+var bar = {a: "a", b: "b"}
+
+// Bad
+var foo = [1, 2, 3,];
+var bar = {a: "a", b: "b",}
+```
+
+##### `disallowKeywordsOnNewLine`
+
+Don't place `else` statements on their own line
+
+```js
+// Good
+if (x < 0) {
+    x++;
+} else {
+    x--;
+}
+
+// Bad
+if (x < 0) {
+    x++;
+}
+else {
+    x--;
+}
+```
+
+##### `maximumLineLength`
+
+Checks that no single line extends beyond 80 chars.
+
+##### `requireCapitalizedConstructors`
+
+Constructor variable names should be Capitalised.
+
+```js
+// Good
+var foo = new Bar();
+
+// Bad
+var foo = new bar();
+```
+
+##### `safeContextKeyword`
+
+When saving `this` context call the variable `$this`.
+
+```js
+// Good
+var $this = this;
+
+// Bad
+var that = this;
+var self = this;
+```
+
+##### `disallowYodaConditions`
+
+The variable should be on the left in boolean comparisons.
+
+```js
+// Good
+if (a === 1) {
+    // ...
+}
+
+// Bad
+if (1 === a) {
+    // ...
+}
+```
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/License.txt b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/License.txt
new file mode 100644
index 0000000..be8afc1
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/License.txt
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Rockabox Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/README.md b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/README.md
new file mode 100644
index 0000000..0b2443c
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/README.md
@@ -0,0 +1,61 @@
+[![Built with Grunt](https://cdn.gruntjs.com/builtwith.png)](http://gruntjs.com/)
+[![Build Status](https://travis-ci.org/rockabox/ng-lodash.svg?branch=master)](https://travis-ci.org/rockabox/ng-lodash)
+[![devDependency Status](https://david-dm.org/rockabox/ng-lodash/dev-status.svg)](https://david-dm.org/rockabox/ng-lodash#info=devDependencies)
+
+ng-lodash
+=========
+
+This is a wrapper for the utility library [Lo-Dash](http://lodash.com/) for
+Angular JS. One aim for this project is to ensure Lo-Dash doesn't have to be
+left on the window, and we use Lo-Dash with Angular, in the normal depenedency
+ injection manner.
+
+## Installing
+Install via bower
+
+```bower install ng-lodash```
+
+Require it into your application (after Angular)
+
+```<script src="ng-lodash.min.js"></script>```
+
+Add the module as a dependency to your app
+
+```js
+var app = angular.module('yourAwesomeApp', ['ngLodash']);
+```
+
+And inject it into your controller like so!
+
+```js
+var YourCtrl = app.controller('yourController', function($scope, lodash) {
+  lodash.assign({ 'a': 1 }, { 'b': 2 }, { 'c': 3 });
+});
+```
+
+## Developing
+
+To help us develop this module, we are using Grunt some tasks that may be
+helpful for you to know about are:
+
+### Testing
+
+This command will run JSHint and JSCS testing JS Files (note files within build)
+are not tested, it will also run your local build of the module with all of the
+Karma tests:
+
+```grunt test``` it can also be run by using ```npm test```
+
+### Build
+
+This command will build the module, run it through ngMin and then create a
+minified version of the module, ready for distribution:
+
+```grunt build```
+
+### Dist
+
+This command will build the module initially and then run the test suite.
+Testing with JSHint, JSCS and Karma:
+
+```grunt dist```
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/bower.json b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/bower.json
new file mode 100644
index 0000000..eb17cb3
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/bower.json
@@ -0,0 +1,31 @@
+{
+  "name": "ng-lodash",
+  "version": "0.3.0",
+  "description": "An Angular module wrapper for lodash",
+  "author": ["Rockabox <tech@rockabox.com> (http://www.rockabox.com)"],
+  "license": "MIT",
+  "keywords": [
+    "nglodash",
+    "angular",
+    "lodash"
+  ],
+  "ignore": [
+    "test",
+    "*.",
+    "karma.conf.js",
+    "Gruntfile.js"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/rockabox/ng-lodash.git"
+  },
+  "main": [
+    "build/ng-lodash.js"
+  ],
+  "dependencies": {
+    "angular": ">=1.2"
+  },
+  "devDependencies": {
+    "angular-mocks": ">=1.2"
+  }
+}
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.js b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.js
new file mode 100644
index 0000000..6e4a6b5
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.js
@@ -0,0 +1,11267 @@
+/**
+ * @license
+ * lodash 3.10.1 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modern exports="amd,commonjs,node" iife="angular.module('ngLodash', []).constant('lodash', null).config(function ($provide) { %output% $provide.constant('lodash', _);});" --output build/ng-lodash.js`
+ * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <https://lodash.com/license>
+ */
+angular.module('ngLodash', []).constant('lodash', null).config([
+  '$provide',
+  function ($provide) {
+    /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+    var undefined;
+    /** Used as the semantic version number. */
+    var VERSION = '3.10.1';
+    /** Used to compose bitmasks for wrapper metadata. */
+    var BIND_FLAG = 1, BIND_KEY_FLAG = 2, CURRY_BOUND_FLAG = 4, CURRY_FLAG = 8, CURRY_RIGHT_FLAG = 16, PARTIAL_FLAG = 32, PARTIAL_RIGHT_FLAG = 64, ARY_FLAG = 128, REARG_FLAG = 256;
+    /** Used as default options for `_.trunc`. */
+    var DEFAULT_TRUNC_LENGTH = 30, DEFAULT_TRUNC_OMISSION = '...';
+    /** Used to detect when a function becomes hot. */
+    var HOT_COUNT = 150, HOT_SPAN = 16;
+    /** Used as the size to enable large array optimizations. */
+    var LARGE_ARRAY_SIZE = 200;
+    /** Used to indicate the type of lazy iteratees. */
+    var LAZY_FILTER_FLAG = 1, LAZY_MAP_FLAG = 2;
+    /** Used as the `TypeError` message for "Functions" methods. */
+    var FUNC_ERROR_TEXT = 'Expected a function';
+    /** Used as the internal argument placeholder. */
+    var PLACEHOLDER = '__lodash_placeholder__';
+    /** `Object#toString` result references. */
+    var argsTag = '[object Arguments]', arrayTag = '[object Array]', boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', funcTag = '[object Function]', mapTag = '[object Map]', numberTag = '[object Number]', objectTag = '[object Object]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', weakMapTag = '[object WeakMap]';
+    var arrayBufferTag = '[object ArrayBuffer]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]';
+    /** Used to match empty string literals in compiled template source. */
+    var reEmptyStringLeading = /\b__p \+= '';/g, reEmptyStringMiddle = /\b(__p \+=) '' \+/g, reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+    /** Used to match HTML entities and HTML characters. */
+    var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g, reUnescapedHtml = /[&<>"'`]/g, reHasEscapedHtml = RegExp(reEscapedHtml.source), reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+    /** Used to match template delimiters. */
+    var reEscape = /<%-([\s\S]+?)%>/g, reEvaluate = /<%([\s\S]+?)%>/g, reInterpolate = /<%=([\s\S]+?)%>/g;
+    /** Used to match property names within property paths. */
+    var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\n\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/, rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;
+    /**
+   * Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns)
+   * and those outlined by [`EscapeRegExpPattern`](http://ecma-international.org/ecma-262/6.0/#sec-escaperegexppattern).
+   */
+    var reRegExpChars = /^[:!,]|[\\^$.*+?()[\]{}|\/]|(^[0-9a-fA-Fnrtuvx])|([\n\r\u2028\u2029])/g, reHasRegExpChars = RegExp(reRegExpChars.source);
+    /** Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). */
+    var reComboMark = /[\u0300-\u036f\ufe20-\ufe23]/g;
+    /** Used to match backslashes in property paths. */
+    var reEscapeChar = /\\(\\)?/g;
+    /** Used to match [ES template delimiters](http://ecma-international.org/ecma-262/6.0/#sec-template-literal-lexical-components). */
+    var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+    /** Used to match `RegExp` flags from their coerced string values. */
+    var reFlags = /\w*$/;
+    /** Used to detect hexadecimal string values. */
+    var reHasHexPrefix = /^0[xX]/;
+    /** Used to detect host constructors (Safari > 5). */
+    var reIsHostCtor = /^\[object .+?Constructor\]$/;
+    /** Used to detect unsigned integer values. */
+    var reIsUint = /^\d+$/;
+    /** Used to match latin-1 supplementary letters (excluding mathematical operators). */
+    var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g;
+    /** Used to ensure capturing order of template delimiters. */
+    var reNoMatch = /($^)/;
+    /** Used to match unescaped characters in compiled string literals. */
+    var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+    /** Used to match words to create compound words. */
+    var reWords = function () {
+        var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]', lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
+        return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
+      }();
+    /** Used to assign default `context` object properties. */
+    var contextProps = [
+        'Array',
+        'ArrayBuffer',
+        'Date',
+        'Error',
+        'Float32Array',
+        'Float64Array',
+        'Function',
+        'Int8Array',
+        'Int16Array',
+        'Int32Array',
+        'Math',
+        'Number',
+        'Object',
+        'RegExp',
+        'Set',
+        'String',
+        '_',
+        'clearTimeout',
+        'isFinite',
+        'parseFloat',
+        'parseInt',
+        'setTimeout',
+        'TypeError',
+        'Uint8Array',
+        'Uint8ClampedArray',
+        'Uint16Array',
+        'Uint32Array',
+        'WeakMap'
+      ];
+    /** Used to make template sourceURLs easier to identify. */
+    var templateCounter = -1;
+    /** Used to identify `toStringTag` values of typed arrays. */
+    var typedArrayTags = {};
+    typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true;
+    typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
+    /** Used to identify `toStringTag` values supported by `_.clone`. */
+    var cloneableTags = {};
+    cloneableTags[argsTag] = cloneableTags[arrayTag] = cloneableTags[arrayBufferTag] = cloneableTags[boolTag] = cloneableTags[dateTag] = cloneableTags[float32Tag] = cloneableTags[float64Tag] = cloneableTags[int8Tag] = cloneableTags[int16Tag] = cloneableTags[int32Tag] = cloneableTags[numberTag] = cloneableTags[objectTag] = cloneableTags[regexpTag] = cloneableTags[stringTag] = cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+    cloneableTags[errorTag] = cloneableTags[funcTag] = cloneableTags[mapTag] = cloneableTags[setTag] = cloneableTags[weakMapTag] = false;
+    /** Used to map latin-1 supplementary letters to basic latin letters. */
+    var deburredLetters = {
+        '\xc0': 'A',
+        '\xc1': 'A',
+        '\xc2': 'A',
+        '\xc3': 'A',
+        '\xc4': 'A',
+        '\xc5': 'A',
+        '\xe0': 'a',
+        '\xe1': 'a',
+        '\xe2': 'a',
+        '\xe3': 'a',
+        '\xe4': 'a',
+        '\xe5': 'a',
+        '\xc7': 'C',
+        '\xe7': 'c',
+        '\xd0': 'D',
+        '\xf0': 'd',
+        '\xc8': 'E',
+        '\xc9': 'E',
+        '\xca': 'E',
+        '\xcb': 'E',
+        '\xe8': 'e',
+        '\xe9': 'e',
+        '\xea': 'e',
+        '\xeb': 'e',
+        '\xcc': 'I',
+        '\xcd': 'I',
+        '\xce': 'I',
+        '\xcf': 'I',
+        '\xec': 'i',
+        '\xed': 'i',
+        '\xee': 'i',
+        '\xef': 'i',
+        '\xd1': 'N',
+        '\xf1': 'n',
+        '\xd2': 'O',
+        '\xd3': 'O',
+        '\xd4': 'O',
+        '\xd5': 'O',
+        '\xd6': 'O',
+        '\xd8': 'O',
+        '\xf2': 'o',
+        '\xf3': 'o',
+        '\xf4': 'o',
+        '\xf5': 'o',
+        '\xf6': 'o',
+        '\xf8': 'o',
+        '\xd9': 'U',
+        '\xda': 'U',
+        '\xdb': 'U',
+        '\xdc': 'U',
+        '\xf9': 'u',
+        '\xfa': 'u',
+        '\xfb': 'u',
+        '\xfc': 'u',
+        '\xdd': 'Y',
+        '\xfd': 'y',
+        '\xff': 'y',
+        '\xc6': 'Ae',
+        '\xe6': 'ae',
+        '\xde': 'Th',
+        '\xfe': 'th',
+        '\xdf': 'ss'
+      };
+    /** Used to map characters to HTML entities. */
+    var htmlEscapes = {
+        '&': '&amp;',
+        '<': '&lt;',
+        '>': '&gt;',
+        '"': '&quot;',
+        '\'': '&#39;',
+        '`': '&#96;'
+      };
+    /** Used to map HTML entities to characters. */
+    var htmlUnescapes = {
+        '&amp;': '&',
+        '&lt;': '<',
+        '&gt;': '>',
+        '&quot;': '"',
+        '&#39;': '\'',
+        '&#96;': '`'
+      };
+    /** Used to determine if values are of the language type `Object`. */
+    var objectTypes = {
+        'function': true,
+        'object': true
+      };
+    /** Used to escape characters for inclusion in compiled regexes. */
+    var regexpEscapes = {
+        '0': 'x30',
+        '1': 'x31',
+        '2': 'x32',
+        '3': 'x33',
+        '4': 'x34',
+        '5': 'x35',
+        '6': 'x36',
+        '7': 'x37',
+        '8': 'x38',
+        '9': 'x39',
+        'A': 'x41',
+        'B': 'x42',
+        'C': 'x43',
+        'D': 'x44',
+        'E': 'x45',
+        'F': 'x46',
+        'a': 'x61',
+        'b': 'x62',
+        'c': 'x63',
+        'd': 'x64',
+        'e': 'x65',
+        'f': 'x66',
+        'n': 'x6e',
+        'r': 'x72',
+        't': 'x74',
+        'u': 'x75',
+        'v': 'x76',
+        'x': 'x78'
+      };
+    /** Used to escape characters for inclusion in compiled string literals. */
+    var stringEscapes = {
+        '\\': '\\',
+        '\'': '\'',
+        '\n': 'n',
+        '\r': 'r',
+        '\u2028': 'u2028',
+        '\u2029': 'u2029'
+      };
+    /** Detect free variable `exports`. */
+    var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
+    /** Detect free variable `module`. */
+    var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
+    /** Detect free variable `global` from Node.js. */
+    var freeGlobal = freeExports && freeModule && typeof global == 'object' && global && global.Object && global;
+    /** Detect free variable `self`. */
+    var freeSelf = objectTypes[typeof self] && self && self.Object && self;
+    /** Detect free variable `window`. */
+    var freeWindow = objectTypes[typeof window] && window && window.Object && window;
+    /** Detect the popular CommonJS extension `module.exports`. */
+    var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
+    /**
+   * Used as a reference to the global object.
+   *
+   * The `this` value is used if it's the global object to avoid Greasemonkey's
+   * restricted `window` object, otherwise the `window` object is used.
+   */
+    var root = freeGlobal || freeWindow !== (this && this.window) && freeWindow || freeSelf || this;
+    /*--------------------------------------------------------------------------*/
+    /**
+   * The base implementation of `compareAscending` which compares values and
+   * sorts them in ascending order without guaranteeing a stable sort.
+   *
+   * @private
+   * @param {*} value The value to compare.
+   * @param {*} other The other value to compare.
+   * @returns {number} Returns the sort order indicator for `value`.
+   */
+    function baseCompareAscending(value, other) {
+      if (value !== other) {
+        var valIsNull = value === null, valIsUndef = value === undefined, valIsReflexive = value === value;
+        var othIsNull = other === null, othIsUndef = other === undefined, othIsReflexive = other === other;
+        if (value > other && !othIsNull || !valIsReflexive || valIsNull && !othIsUndef && othIsReflexive || valIsUndef && othIsReflexive) {
+          return 1;
+        }
+        if (value < other && !valIsNull || !othIsReflexive || othIsNull && !valIsUndef && valIsReflexive || othIsUndef && valIsReflexive) {
+          return -1;
+        }
+      }
+      return 0;
+    }
+    /**
+   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+   * support for callback shorthands and `this` binding.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+    function baseFindIndex(array, predicate, fromRight) {
+      var length = array.length, index = fromRight ? length : -1;
+      while (fromRight ? index-- : ++index < length) {
+        if (predicate(array[index], index, array)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+    /**
+   * The base implementation of `_.indexOf` without support for binary searches.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+    function baseIndexOf(array, value, fromIndex) {
+      if (value !== value) {
+        return indexOfNaN(array, fromIndex);
+      }
+      var index = fromIndex - 1, length = array.length;
+      while (++index < length) {
+        if (array[index] === value) {
+          return index;
+        }
+      }
+      return -1;
+    }
+    /**
+   * The base implementation of `_.isFunction` without support for environments
+   * with incorrect `typeof` results.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+   */
+    function baseIsFunction(value) {
+      // Avoid a Chakra JIT bug in compatibility modes of IE 11.
+      // See https://github.com/jashkenas/underscore/issues/1621 for more details.
+      return typeof value == 'function' || false;
+    }
+    /**
+   * Converts `value` to a string if it's not one. An empty string is returned
+   * for `null` or `undefined` values.
+   *
+   * @private
+   * @param {*} value The value to process.
+   * @returns {string} Returns the string.
+   */
+    function baseToString(value) {
+      return value == null ? '' : value + '';
+    }
+    /**
+   * Used by `_.trim` and `_.trimLeft` to get the index of the first character
+   * of `string` that is not found in `chars`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @param {string} chars The characters to find.
+   * @returns {number} Returns the index of the first character not found in `chars`.
+   */
+    function charsLeftIndex(string, chars) {
+      var index = -1, length = string.length;
+      while (++index < length && chars.indexOf(string.charAt(index)) > -1) {
+      }
+      return index;
+    }
+    /**
+   * Used by `_.trim` and `_.trimRight` to get the index of the last character
+   * of `string` that is not found in `chars`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @param {string} chars The characters to find.
+   * @returns {number} Returns the index of the last character not found in `chars`.
+   */
+    function charsRightIndex(string, chars) {
+      var index = string.length;
+      while (index-- && chars.indexOf(string.charAt(index)) > -1) {
+      }
+      return index;
+    }
+    /**
+   * Used by `_.sortBy` to compare transformed elements of a collection and stable
+   * sort them in ascending order.
+   *
+   * @private
+   * @param {Object} object The object to compare.
+   * @param {Object} other The other object to compare.
+   * @returns {number} Returns the sort order indicator for `object`.
+   */
+    function compareAscending(object, other) {
+      return baseCompareAscending(object.criteria, other.criteria) || object.index - other.index;
+    }
+    /**
+   * Used by `_.sortByOrder` to compare multiple properties of a value to another
+   * and stable sort them.
+   *
+   * If `orders` is unspecified, all valuess are sorted in ascending order. Otherwise,
+   * a value is sorted in ascending order if its corresponding order is "asc", and
+   * descending if "desc".
+   *
+   * @private
+   * @param {Object} object The object to compare.
+   * @param {Object} other The other object to compare.
+   * @param {boolean[]} orders The order to sort by for each property.
+   * @returns {number} Returns the sort order indicator for `object`.
+   */
+    function compareMultiple(object, other, orders) {
+      var index = -1, objCriteria = object.criteria, othCriteria = other.criteria, length = objCriteria.length, ordersLength = orders.length;
+      while (++index < length) {
+        var result = baseCompareAscending(objCriteria[index], othCriteria[index]);
+        if (result) {
+          if (index >= ordersLength) {
+            return result;
+          }
+          var order = orders[index];
+          return result * (order === 'asc' || order === true ? 1 : -1);
+        }
+      }
+      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+      // that causes it, under certain circumstances, to provide the same value for
+      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+      // for more details.
+      //
+      // This also ensures a stable sort in V8 and other engines.
+      // See https://code.google.com/p/v8/issues/detail?id=90 for more details.
+      return object.index - other.index;
+    }
+    /**
+   * Used by `_.deburr` to convert latin-1 supplementary letters to basic latin letters.
+   *
+   * @private
+   * @param {string} letter The matched letter to deburr.
+   * @returns {string} Returns the deburred letter.
+   */
+    function deburrLetter(letter) {
+      return deburredLetters[letter];
+    }
+    /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+    function escapeHtmlChar(chr) {
+      return htmlEscapes[chr];
+    }
+    /**
+   * Used by `_.escapeRegExp` to escape characters for inclusion in compiled regexes.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @param {string} leadingChar The capture group for a leading character.
+   * @param {string} whitespaceChar The capture group for a whitespace character.
+   * @returns {string} Returns the escaped character.
+   */
+    function escapeRegExpChar(chr, leadingChar, whitespaceChar) {
+      if (leadingChar) {
+        chr = regexpEscapes[chr];
+      } else if (whitespaceChar) {
+        chr = stringEscapes[chr];
+      }
+      return '\\' + chr;
+    }
+    /**
+   * Used by `_.template` to escape characters for inclusion in compiled string literals.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+    function escapeStringChar(chr) {
+      return '\\' + stringEscapes[chr];
+    }
+    /**
+   * Gets the index at which the first occurrence of `NaN` is found in `array`.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {number} fromIndex The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched `NaN`, else `-1`.
+   */
+    function indexOfNaN(array, fromIndex, fromRight) {
+      var length = array.length, index = fromIndex + (fromRight ? 0 : -1);
+      while (fromRight ? index-- : ++index < length) {
+        var other = array[index];
+        if (other !== other) {
+          return index;
+        }
+      }
+      return -1;
+    }
+    /**
+   * Checks if `value` is object-like.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+   */
+    function isObjectLike(value) {
+      return !!value && typeof value == 'object';
+    }
+    /**
+   * Used by `trimmedLeftIndex` and `trimmedRightIndex` to determine if a
+   * character code is whitespace.
+   *
+   * @private
+   * @param {number} charCode The character code to inspect.
+   * @returns {boolean} Returns `true` if `charCode` is whitespace, else `false`.
+   */
+    function isSpace(charCode) {
+      return charCode <= 160 && (charCode >= 9 && charCode <= 13) || charCode == 32 || charCode == 160 || charCode == 5760 || charCode == 6158 || charCode >= 8192 && (charCode <= 8202 || charCode == 8232 || charCode == 8233 || charCode == 8239 || charCode == 8287 || charCode == 12288 || charCode == 65279);
+    }
+    /**
+   * Replaces all `placeholder` elements in `array` with an internal placeholder
+   * and returns an array of their indexes.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {*} placeholder The placeholder to replace.
+   * @returns {Array} Returns the new array of placeholder indexes.
+   */
+    function replaceHolders(array, placeholder) {
+      var index = -1, length = array.length, resIndex = -1, result = [];
+      while (++index < length) {
+        if (array[index] === placeholder) {
+          array[index] = PLACEHOLDER;
+          result[++resIndex] = index;
+        }
+      }
+      return result;
+    }
+    /**
+   * An implementation of `_.uniq` optimized for sorted arrays without support
+   * for callback shorthands and `this` binding.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} [iteratee] The function invoked per iteration.
+   * @returns {Array} Returns the new duplicate free array.
+   */
+    function sortedUniq(array, iteratee) {
+      var seen, index = -1, length = array.length, resIndex = -1, result = [];
+      while (++index < length) {
+        var value = array[index], computed = iteratee ? iteratee(value, index, array) : value;
+        if (!index || seen !== computed) {
+          seen = computed;
+          result[++resIndex] = value;
+        }
+      }
+      return result;
+    }
+    /**
+   * Used by `_.trim` and `_.trimLeft` to get the index of the first non-whitespace
+   * character of `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the index of the first non-whitespace character.
+   */
+    function trimmedLeftIndex(string) {
+      var index = -1, length = string.length;
+      while (++index < length && isSpace(string.charCodeAt(index))) {
+      }
+      return index;
+    }
+    /**
+   * Used by `_.trim` and `_.trimRight` to get the index of the last non-whitespace
+   * character of `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the index of the last non-whitespace character.
+   */
+    function trimmedRightIndex(string) {
+      var index = string.length;
+      while (index-- && isSpace(string.charCodeAt(index))) {
+      }
+      return index;
+    }
+    /**
+   * Used by `_.unescape` to convert HTML entities to characters.
+   *
+   * @private
+   * @param {string} chr The matched character to unescape.
+   * @returns {string} Returns the unescaped character.
+   */
+    function unescapeHtmlChar(chr) {
+      return htmlUnescapes[chr];
+    }
+    /*--------------------------------------------------------------------------*/
+    /**
+   * Create a new pristine `lodash` function using the given `context` object.
+   *
+   * @static
+   * @memberOf _
+   * @category Utility
+   * @param {Object} [context=root] The context object.
+   * @returns {Function} Returns a new `lodash` function.
+   * @example
+   *
+   * _.mixin({ 'foo': _.constant('foo') });
+   *
+   * var lodash = _.runInContext();
+   * lodash.mixin({ 'bar': lodash.constant('bar') });
+   *
+   * _.isFunction(_.foo);
+   * // => true
+   * _.isFunction(_.bar);
+   * // => false
+   *
+   * lodash.isFunction(lodash.foo);
+   * // => false
+   * lodash.isFunction(lodash.bar);
+   * // => true
+   *
+   * // using `context` to mock `Date#getTime` use in `_.now`
+   * var mock = _.runInContext({
+   *   'Date': function() {
+   *     return { 'getTime': getTimeMock };
+   *   }
+   * });
+   *
+   * // or creating a suped-up `defer` in Node.js
+   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+   */
+    function runInContext(context) {
+      // Avoid issues with some ES3 environments that attempt to use values, named
+      // after built-in constructors like `Object`, for the creation of literals.
+      // ES5 clears this up by stating that literals must use built-in constructors.
+      // See https://es5.github.io/#x11.1.5 for more details.
+      context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root;
+      /** Native constructor references. */
+      var Array = context.Array, Date = context.Date, Error = context.Error, Function = context.Function, Math = context.Math, Number = context.Number, Object = context.Object, RegExp = context.RegExp, String = context.String, TypeError = context.TypeError;
+      /** Used for native method references. */
+      var arrayProto = Array.prototype, objectProto = Object.prototype, stringProto = String.prototype;
+      /** Used to resolve the decompiled source of functions. */
+      var fnToString = Function.prototype.toString;
+      /** Used to check objects for own properties. */
+      var hasOwnProperty = objectProto.hasOwnProperty;
+      /** Used to generate unique IDs. */
+      var idCounter = 0;
+      /**
+     * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+     * of values.
+     */
+      var objToString = objectProto.toString;
+      /** Used to restore the original `_` reference in `_.noConflict`. */
+      var oldDash = root._;
+      /** Used to detect if a method is native. */
+      var reIsNative = RegExp('^' + fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&').replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$');
+      /** Native method references. */
+      var ArrayBuffer = context.ArrayBuffer, clearTimeout = context.clearTimeout, parseFloat = context.parseFloat, pow = Math.pow, propertyIsEnumerable = objectProto.propertyIsEnumerable, Set = getNative(context, 'Set'), setTimeout = context.setTimeout, splice = arrayProto.splice, Uint8Array = context.Uint8Array, WeakMap = getNative(context, 'WeakMap');
+      /* Native method references for those with the same name as other `lodash` methods. */
+      var nativeCeil = Math.ceil, nativeCreate = getNative(Object, 'create'), nativeFloor = Math.floor, nativeIsArray = getNative(Array, 'isArray'), nativeIsFinite = context.isFinite, nativeKeys = getNative(Object, 'keys'), nativeMax = Math.max, nativeMin = Math.min, nativeNow = getNative(Date, 'now'), nativeParseInt = context.parseInt, nativeRandom = Math.random;
+      /** Used as references for `-Infinity` and `Infinity`. */
+      var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY, POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
+      /** Used as references for the maximum length and index of an array. */
+      var MAX_ARRAY_LENGTH = 4294967295, MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1, HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+      /**
+     * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
+     * of an array-like value.
+     */
+      var MAX_SAFE_INTEGER = 9007199254740991;
+      /** Used to store function metadata. */
+      var metaMap = WeakMap && new WeakMap();
+      /** Used to lookup unminified function names. */
+      var realNames = {};
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a `lodash` object which wraps `value` to enable implicit chaining.
+     * Methods that operate on and return arrays, collections, and functions can
+     * be chained together. Methods that retrieve a single value or may return a
+     * primitive value will automatically end the chain returning the unwrapped
+     * value. Explicit chaining may be enabled using `_.chain`. The execution of
+     * chained methods is lazy, that is, execution is deferred until `_#value`
+     * is implicitly or explicitly called.
+     *
+     * Lazy evaluation allows several methods to support shortcut fusion. Shortcut
+     * fusion is an optimization strategy which merge iteratee calls; this can help
+     * to avoid the creation of intermediate data structures and greatly reduce the
+     * number of iteratee executions.
+     *
+     * Chaining is supported in custom builds as long as the `_#value` method is
+     * directly or indirectly included in the build.
+     *
+     * In addition to lodash methods, wrappers have `Array` and `String` methods.
+     *
+     * The wrapper `Array` methods are:
+     * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`,
+     * `splice`, and `unshift`
+     *
+     * The wrapper `String` methods are:
+     * `replace` and `split`
+     *
+     * The wrapper methods that support shortcut fusion are:
+     * `compact`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `filter`,
+     * `first`, `initial`, `last`, `map`, `pluck`, `reject`, `rest`, `reverse`,
+     * `slice`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `toArray`,
+     * and `where`
+     *
+     * The chainable wrapper methods are:
+     * `after`, `ary`, `assign`, `at`, `before`, `bind`, `bindAll`, `bindKey`,
+     * `callback`, `chain`, `chunk`, `commit`, `compact`, `concat`, `constant`,
+     * `countBy`, `create`, `curry`, `debounce`, `defaults`, `defaultsDeep`,
+     * `defer`, `delay`, `difference`, `drop`, `dropRight`, `dropRightWhile`,
+     * `dropWhile`, `fill`, `filter`, `flatten`, `flattenDeep`, `flow`, `flowRight`,
+     * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`,
+     * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`,
+     * `invoke`, `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`,
+     * `matchesProperty`, `memoize`, `merge`, `method`, `methodOf`, `mixin`,
+     * `modArgs`, `negate`, `omit`, `once`, `pairs`, `partial`, `partialRight`,
+     * `partition`, `pick`, `plant`, `pluck`, `property`, `propertyOf`, `pull`,
+     * `pullAt`, `push`, `range`, `rearg`, `reject`, `remove`, `rest`, `restParam`,
+     * `reverse`, `set`, `shuffle`, `slice`, `sort`, `sortBy`, `sortByAll`,
+     * `sortByOrder`, `splice`, `spread`, `take`, `takeRight`, `takeRightWhile`,
+     * `takeWhile`, `tap`, `throttle`, `thru`, `times`, `toArray`, `toPlainObject`,
+     * `transform`, `union`, `uniq`, `unshift`, `unzip`, `unzipWith`, `values`,
+     * `valuesIn`, `where`, `without`, `wrap`, `xor`, `zip`, `zipObject`, `zipWith`
+     *
+     * The wrapper methods that are **not** chainable by default are:
+     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clone`, `cloneDeep`,
+     * `deburr`, `endsWith`, `escape`, `escapeRegExp`, `every`, `find`, `findIndex`,
+     * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `findWhere`, `first`,
+     * `floor`, `get`, `gt`, `gte`, `has`, `identity`, `includes`, `indexOf`,
+     * `inRange`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`,
+     * `isEmpty`, `isEqual`, `isError`, `isFinite` `isFunction`, `isMatch`,
+     * `isNative`, `isNaN`, `isNull`, `isNumber`, `isObject`, `isPlainObject`,
+     * `isRegExp`, `isString`, `isUndefined`, `isTypedArray`, `join`, `kebabCase`,
+     * `last`, `lastIndexOf`, `lt`, `lte`, `max`, `min`, `noConflict`, `noop`,
+     * `now`, `pad`, `padLeft`, `padRight`, `parseInt`, `pop`, `random`, `reduce`,
+     * `reduceRight`, `repeat`, `result`, `round`, `runInContext`, `shift`, `size`,
+     * `snakeCase`, `some`, `sortedIndex`, `sortedLastIndex`, `startCase`,
+     * `startsWith`, `sum`, `template`, `trim`, `trimLeft`, `trimRight`, `trunc`,
+     * `unescape`, `uniqueId`, `value`, and `words`
+     *
+     * The wrapper method `sample` will return a wrapped value when `n` is provided,
+     * otherwise an unwrapped value is returned.
+     *
+     * @name _
+     * @constructor
+     * @category Chain
+     * @param {*} value The value to wrap in a `lodash` instance.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // returns an unwrapped value
+     * wrapped.reduce(function(total, n) {
+     *   return total + n;
+     * });
+     * // => 6
+     *
+     * // returns a wrapped value
+     * var squares = wrapped.map(function(n) {
+     *   return n * n;
+     * });
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
+     */
+      function lodash(value) {
+        if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+          if (value instanceof LodashWrapper) {
+            return value;
+          }
+          if (hasOwnProperty.call(value, '__chain__') && hasOwnProperty.call(value, '__wrapped__')) {
+            return wrapperClone(value);
+          }
+        }
+        return new LodashWrapper(value);
+      }
+      /**
+     * The function whose prototype all chaining wrappers inherit from.
+     *
+     * @private
+     */
+      function baseLodash() {
+      }
+      /**
+     * The base constructor for creating `lodash` wrapper objects.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     * @param {boolean} [chainAll] Enable chaining for all wrapper methods.
+     * @param {Array} [actions=[]] Actions to peform to resolve the unwrapped value.
+     */
+      function LodashWrapper(value, chainAll, actions) {
+        this.__wrapped__ = value;
+        this.__actions__ = actions || [];
+        this.__chain__ = !!chainAll;
+      }
+      /**
+     * An object environment feature flags.
+     *
+     * @static
+     * @memberOf _
+     * @type Object
+     */
+      var support = lodash.support = {};
+      /**
+     * By default, the template delimiters used by lodash are like those in
+     * embedded Ruby (ERB). Change the following template settings to use
+     * alternative delimiters.
+     *
+     * @static
+     * @memberOf _
+     * @type Object
+     */
+      lodash.templateSettings = {
+        'escape': reEscape,
+        'evaluate': reEvaluate,
+        'interpolate': reInterpolate,
+        'variable': '',
+        'imports': { '_': lodash }
+      };
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     */
+      function LazyWrapper(value) {
+        this.__wrapped__ = value;
+        this.__actions__ = [];
+        this.__dir__ = 1;
+        this.__filtered__ = false;
+        this.__iteratees__ = [];
+        this.__takeCount__ = POSITIVE_INFINITY;
+        this.__views__ = [];
+      }
+      /**
+     * Creates a clone of the lazy wrapper object.
+     *
+     * @private
+     * @name clone
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the cloned `LazyWrapper` object.
+     */
+      function lazyClone() {
+        var result = new LazyWrapper(this.__wrapped__);
+        result.__actions__ = arrayCopy(this.__actions__);
+        result.__dir__ = this.__dir__;
+        result.__filtered__ = this.__filtered__;
+        result.__iteratees__ = arrayCopy(this.__iteratees__);
+        result.__takeCount__ = this.__takeCount__;
+        result.__views__ = arrayCopy(this.__views__);
+        return result;
+      }
+      /**
+     * Reverses the direction of lazy iteration.
+     *
+     * @private
+     * @name reverse
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the new reversed `LazyWrapper` object.
+     */
+      function lazyReverse() {
+        if (this.__filtered__) {
+          var result = new LazyWrapper(this);
+          result.__dir__ = -1;
+          result.__filtered__ = true;
+        } else {
+          result = this.clone();
+          result.__dir__ *= -1;
+        }
+        return result;
+      }
+      /**
+     * Extracts the unwrapped value from its lazy wrapper.
+     *
+     * @private
+     * @name value
+     * @memberOf LazyWrapper
+     * @returns {*} Returns the unwrapped value.
+     */
+      function lazyValue() {
+        var array = this.__wrapped__.value(), dir = this.__dir__, isArr = isArray(array), isRight = dir < 0, arrLength = isArr ? array.length : 0, view = getView(0, arrLength, this.__views__), start = view.start, end = view.end, length = end - start, index = isRight ? end : start - 1, iteratees = this.__iteratees__, iterLength = iteratees.length, resIndex = 0, takeCount = nativeMin(length, this.__takeCount__);
+        if (!isArr || arrLength < LARGE_ARRAY_SIZE || arrLength == length && takeCount == length) {
+          return baseWrapperValue(array, this.__actions__);
+        }
+        var result = [];
+        outer:
+          while (length-- && resIndex < takeCount) {
+            index += dir;
+            var iterIndex = -1, value = array[index];
+            while (++iterIndex < iterLength) {
+              var data = iteratees[iterIndex], iteratee = data.iteratee, type = data.type, computed = iteratee(value);
+              if (type == LAZY_MAP_FLAG) {
+                value = computed;
+              } else if (!computed) {
+                if (type == LAZY_FILTER_FLAG) {
+                  continue outer;
+                } else {
+                  break outer;
+                }
+              }
+            }
+            result[resIndex++] = value;
+          }
+        return result;
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a cache object to store key/value pairs.
+     *
+     * @private
+     * @static
+     * @name Cache
+     * @memberOf _.memoize
+     */
+      function MapCache() {
+        this.__data__ = {};
+      }
+      /**
+     * Removes `key` and its value from the cache.
+     *
+     * @private
+     * @name delete
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed successfully, else `false`.
+     */
+      function mapDelete(key) {
+        return this.has(key) && delete this.__data__[key];
+      }
+      /**
+     * Gets the cached value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the cached value.
+     */
+      function mapGet(key) {
+        return key == '__proto__' ? undefined : this.__data__[key];
+      }
+      /**
+     * Checks if a cached value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+      function mapHas(key) {
+        return key != '__proto__' && hasOwnProperty.call(this.__data__, key);
+      }
+      /**
+     * Sets `value` to `key` of the cache.
+     *
+     * @private
+     * @name set
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to cache.
+     * @param {*} value The value to cache.
+     * @returns {Object} Returns the cache object.
+     */
+      function mapSet(key, value) {
+        if (key != '__proto__') {
+          this.__data__[key] = value;
+        }
+        return this;
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     *
+     * Creates a cache object to store unique values.
+     *
+     * @private
+     * @param {Array} [values] The values to cache.
+     */
+      function SetCache(values) {
+        var length = values ? values.length : 0;
+        this.data = {
+          'hash': nativeCreate(null),
+          'set': new Set()
+        };
+        while (length--) {
+          this.push(values[length]);
+        }
+      }
+      /**
+     * Checks if `value` is in `cache` mimicking the return signature of
+     * `_.indexOf` by returning `0` if the value is found, else `-1`.
+     *
+     * @private
+     * @param {Object} cache The cache to search.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns `0` if `value` is found, else `-1`.
+     */
+      function cacheIndexOf(cache, value) {
+        var data = cache.data, result = typeof value == 'string' || isObject(value) ? data.set.has(value) : data.hash[value];
+        return result ? 0 : -1;
+      }
+      /**
+     * Adds `value` to the cache.
+     *
+     * @private
+     * @name push
+     * @memberOf SetCache
+     * @param {*} value The value to cache.
+     */
+      function cachePush(value) {
+        var data = this.data;
+        if (typeof value == 'string' || isObject(value)) {
+          data.set.add(value);
+        } else {
+          data.hash[value] = true;
+        }
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a new array joining `array` with `other`.
+     *
+     * @private
+     * @param {Array} array The array to join.
+     * @param {Array} other The other array to join.
+     * @returns {Array} Returns the new concatenated array.
+     */
+      function arrayConcat(array, other) {
+        var index = -1, length = array.length, othIndex = -1, othLength = other.length, result = Array(length + othLength);
+        while (++index < length) {
+          result[index] = array[index];
+        }
+        while (++othIndex < othLength) {
+          result[index++] = other[othIndex];
+        }
+        return result;
+      }
+      /**
+     * Copies the values of `source` to `array`.
+     *
+     * @private
+     * @param {Array} source The array to copy values from.
+     * @param {Array} [array=[]] The array to copy values to.
+     * @returns {Array} Returns `array`.
+     */
+      function arrayCopy(source, array) {
+        var index = -1, length = source.length;
+        array || (array = Array(length));
+        while (++index < length) {
+          array[index] = source[index];
+        }
+        return array;
+      }
+      /**
+     * A specialized version of `_.forEach` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns `array`.
+     */
+      function arrayEach(array, iteratee) {
+        var index = -1, length = array.length;
+        while (++index < length) {
+          if (iteratee(array[index], index, array) === false) {
+            break;
+          }
+        }
+        return array;
+      }
+      /**
+     * A specialized version of `_.forEachRight` for arrays without support for
+     * callback shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns `array`.
+     */
+      function arrayEachRight(array, iteratee) {
+        var length = array.length;
+        while (length--) {
+          if (iteratee(array[length], length, array) === false) {
+            break;
+          }
+        }
+        return array;
+      }
+      /**
+     * A specialized version of `_.every` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     */
+      function arrayEvery(array, predicate) {
+        var index = -1, length = array.length;
+        while (++index < length) {
+          if (!predicate(array[index], index, array)) {
+            return false;
+          }
+        }
+        return true;
+      }
+      /**
+     * A specialized version of `baseExtremum` for arrays which invokes `iteratee`
+     * with one argument: (value).
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} comparator The function used to compare values.
+     * @param {*} exValue The initial extremum value.
+     * @returns {*} Returns the extremum value.
+     */
+      function arrayExtremum(array, iteratee, comparator, exValue) {
+        var index = -1, length = array.length, computed = exValue, result = computed;
+        while (++index < length) {
+          var value = array[index], current = +iteratee(value);
+          if (comparator(current, computed)) {
+            computed = current;
+            result = value;
+          }
+        }
+        return result;
+      }
+      /**
+     * A specialized version of `_.filter` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+      function arrayFilter(array, predicate) {
+        var index = -1, length = array.length, resIndex = -1, result = [];
+        while (++index < length) {
+          var value = array[index];
+          if (predicate(value, index, array)) {
+            result[++resIndex] = value;
+          }
+        }
+        return result;
+      }
+      /**
+     * A specialized version of `_.map` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+      function arrayMap(array, iteratee) {
+        var index = -1, length = array.length, result = Array(length);
+        while (++index < length) {
+          result[index] = iteratee(array[index], index, array);
+        }
+        return result;
+      }
+      /**
+     * Appends the elements of `values` to `array`.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to append.
+     * @returns {Array} Returns `array`.
+     */
+      function arrayPush(array, values) {
+        var index = -1, length = values.length, offset = array.length;
+        while (++index < length) {
+          array[offset + index] = values[index];
+        }
+        return array;
+      }
+      /**
+     * A specialized version of `_.reduce` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {boolean} [initFromArray] Specify using the first element of `array`
+     *  as the initial value.
+     * @returns {*} Returns the accumulated value.
+     */
+      function arrayReduce(array, iteratee, accumulator, initFromArray) {
+        var index = -1, length = array.length;
+        if (initFromArray && length) {
+          accumulator = array[++index];
+        }
+        while (++index < length) {
+          accumulator = iteratee(accumulator, array[index], index, array);
+        }
+        return accumulator;
+      }
+      /**
+     * A specialized version of `_.reduceRight` for arrays without support for
+     * callback shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {boolean} [initFromArray] Specify using the last element of `array`
+     *  as the initial value.
+     * @returns {*} Returns the accumulated value.
+     */
+      function arrayReduceRight(array, iteratee, accumulator, initFromArray) {
+        var length = array.length;
+        if (initFromArray && length) {
+          accumulator = array[--length];
+        }
+        while (length--) {
+          accumulator = iteratee(accumulator, array[length], length, array);
+        }
+        return accumulator;
+      }
+      /**
+     * A specialized version of `_.some` for arrays without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+      function arraySome(array, predicate) {
+        var index = -1, length = array.length;
+        while (++index < length) {
+          if (predicate(array[index], index, array)) {
+            return true;
+          }
+        }
+        return false;
+      }
+      /**
+     * A specialized version of `_.sum` for arrays without support for callback
+     * shorthands and `this` binding..
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {number} Returns the sum.
+     */
+      function arraySum(array, iteratee) {
+        var length = array.length, result = 0;
+        while (length--) {
+          result += +iteratee(array[length]) || 0;
+        }
+        return result;
+      }
+      /**
+     * Used by `_.defaults` to customize its `_.assign` use.
+     *
+     * @private
+     * @param {*} objectValue The destination object property value.
+     * @param {*} sourceValue The source object property value.
+     * @returns {*} Returns the value to assign to the destination object.
+     */
+      function assignDefaults(objectValue, sourceValue) {
+        return objectValue === undefined ? sourceValue : objectValue;
+      }
+      /**
+     * Used by `_.template` to customize its `_.assign` use.
+     *
+     * **Note:** This function is like `assignDefaults` except that it ignores
+     * inherited property values when checking if a property is `undefined`.
+     *
+     * @private
+     * @param {*} objectValue The destination object property value.
+     * @param {*} sourceValue The source object property value.
+     * @param {string} key The key associated with the object and source values.
+     * @param {Object} object The destination object.
+     * @returns {*} Returns the value to assign to the destination object.
+     */
+      function assignOwnDefaults(objectValue, sourceValue, key, object) {
+        return objectValue === undefined || !hasOwnProperty.call(object, key) ? sourceValue : objectValue;
+      }
+      /**
+     * A specialized version of `_.assign` for customizing assigned values without
+     * support for argument juggling, multiple sources, and `this` binding `customizer`
+     * functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {Function} customizer The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     */
+      function assignWith(object, source, customizer) {
+        var index = -1, props = keys(source), length = props.length;
+        while (++index < length) {
+          var key = props[index], value = object[key], result = customizer(value, source[key], key, object, source);
+          if ((result === result ? result !== value : value === value) || value === undefined && !(key in object)) {
+            object[key] = result;
+          }
+        }
+        return object;
+      }
+      /**
+     * The base implementation of `_.assign` without support for argument juggling,
+     * multiple sources, and `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+      function baseAssign(object, source) {
+        return source == null ? object : baseCopy(source, keys(source), object);
+      }
+      /**
+     * The base implementation of `_.at` without support for string collections
+     * and individual key arguments.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {number[]|string[]} props The property names or indexes of elements to pick.
+     * @returns {Array} Returns the new array of picked elements.
+     */
+      function baseAt(collection, props) {
+        var index = -1, isNil = collection == null, isArr = !isNil && isArrayLike(collection), length = isArr ? collection.length : 0, propsLength = props.length, result = Array(propsLength);
+        while (++index < propsLength) {
+          var key = props[index];
+          if (isArr) {
+            result[index] = isIndex(key, length) ? collection[key] : undefined;
+          } else {
+            result[index] = isNil ? undefined : collection[key];
+          }
+        }
+        return result;
+      }
+      /**
+     * Copies properties of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy properties from.
+     * @param {Array} props The property names to copy.
+     * @param {Object} [object={}] The object to copy properties to.
+     * @returns {Object} Returns `object`.
+     */
+      function baseCopy(source, props, object) {
+        object || (object = {});
+        var index = -1, length = props.length;
+        while (++index < length) {
+          var key = props[index];
+          object[key] = source[key];
+        }
+        return object;
+      }
+      /**
+     * The base implementation of `_.callback` which supports specifying the
+     * number of arguments to provide to `func`.
+     *
+     * @private
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {number} [argCount] The number of arguments to provide to `func`.
+     * @returns {Function} Returns the callback.
+     */
+      function baseCallback(func, thisArg, argCount) {
+        var type = typeof func;
+        if (type == 'function') {
+          return thisArg === undefined ? func : bindCallback(func, thisArg, argCount);
+        }
+        if (func == null) {
+          return identity;
+        }
+        if (type == 'object') {
+          return baseMatches(func);
+        }
+        return thisArg === undefined ? property(func) : baseMatchesProperty(func, thisArg);
+      }
+      /**
+     * The base implementation of `_.clone` without support for argument juggling
+     * and `this` binding `customizer` functions.
+     *
+     * @private
+     * @param {*} value The value to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @param {Function} [customizer] The function to customize cloning values.
+     * @param {string} [key] The key of `value`.
+     * @param {Object} [object] The object `value` belongs to.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates clones with source counterparts.
+     * @returns {*} Returns the cloned value.
+     */
+      function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {
+        var result;
+        if (customizer) {
+          result = object ? customizer(value, key, object) : customizer(value);
+        }
+        if (result !== undefined) {
+          return result;
+        }
+        if (!isObject(value)) {
+          return value;
+        }
+        var isArr = isArray(value);
+        if (isArr) {
+          result = initCloneArray(value);
+          if (!isDeep) {
+            return arrayCopy(value, result);
+          }
+        } else {
+          var tag = objToString.call(value), isFunc = tag == funcTag;
+          if (tag == objectTag || tag == argsTag || isFunc && !object) {
+            result = initCloneObject(isFunc ? {} : value);
+            if (!isDeep) {
+              return baseAssign(result, value);
+            }
+          } else {
+            return cloneableTags[tag] ? initCloneByTag(value, tag, isDeep) : object ? value : {};
+          }
+        }
+        // Check for circular references and return its corresponding clone.
+        stackA || (stackA = []);
+        stackB || (stackB = []);
+        var length = stackA.length;
+        while (length--) {
+          if (stackA[length] == value) {
+            return stackB[length];
+          }
+        }
+        // Add the source value to the stack of traversed objects and associate it with its clone.
+        stackA.push(value);
+        stackB.push(result);
+        // Recursively populate clone (susceptible to call stack limits).
+        (isArr ? arrayEach : baseForOwn)(value, function (subValue, key) {
+          result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.create` without support for assigning
+     * properties to the created object.
+     *
+     * @private
+     * @param {Object} prototype The object to inherit from.
+     * @returns {Object} Returns the new object.
+     */
+      var baseCreate = function () {
+          function object() {
+          }
+          return function (prototype) {
+            if (isObject(prototype)) {
+              object.prototype = prototype;
+              var result = new object();
+              object.prototype = undefined;
+            }
+            return result || {};
+          };
+        }();
+      /**
+     * The base implementation of `_.delay` and `_.defer` which accepts an index
+     * of where to slice the arguments to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {Object} args The arguments provide to `func`.
+     * @returns {number} Returns the timer id.
+     */
+      function baseDelay(func, wait, args) {
+        if (typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return setTimeout(function () {
+          func.apply(undefined, args);
+        }, wait);
+      }
+      /**
+     * The base implementation of `_.difference` which accepts a single array
+     * of values to exclude.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Array} values The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     */
+      function baseDifference(array, values) {
+        var length = array ? array.length : 0, result = [];
+        if (!length) {
+          return result;
+        }
+        var index = -1, indexOf = getIndexOf(), isCommon = indexOf === baseIndexOf, cache = isCommon && values.length >= LARGE_ARRAY_SIZE ? createCache(values) : null, valuesLength = values.length;
+        if (cache) {
+          indexOf = cacheIndexOf;
+          isCommon = false;
+          values = cache;
+        }
+        outer:
+          while (++index < length) {
+            var value = array[index];
+            if (isCommon && value === value) {
+              var valuesIndex = valuesLength;
+              while (valuesIndex--) {
+                if (values[valuesIndex] === value) {
+                  continue outer;
+                }
+              }
+              result.push(value);
+            } else if (indexOf(values, value, 0) < 0) {
+              result.push(value);
+            }
+          }
+        return result;
+      }
+      /**
+     * The base implementation of `_.forEach` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object|string} Returns `collection`.
+     */
+      var baseEach = createBaseEach(baseForOwn);
+      /**
+     * The base implementation of `_.forEachRight` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object|string} Returns `collection`.
+     */
+      var baseEachRight = createBaseEach(baseForOwnRight, true);
+      /**
+     * The base implementation of `_.every` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`
+     */
+      function baseEvery(collection, predicate) {
+        var result = true;
+        baseEach(collection, function (value, index, collection) {
+          result = !!predicate(value, index, collection);
+          return result;
+        });
+        return result;
+      }
+      /**
+     * Gets the extremum value of `collection` invoking `iteratee` for each value
+     * in `collection` to generate the criterion by which the value is ranked.
+     * The `iteratee` is invoked with three arguments: (value, index|key, collection).
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} comparator The function used to compare values.
+     * @param {*} exValue The initial extremum value.
+     * @returns {*} Returns the extremum value.
+     */
+      function baseExtremum(collection, iteratee, comparator, exValue) {
+        var computed = exValue, result = computed;
+        baseEach(collection, function (value, index, collection) {
+          var current = +iteratee(value, index, collection);
+          if (comparator(current, computed) || current === exValue && current === result) {
+            computed = current;
+            result = value;
+          }
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.fill` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     */
+      function baseFill(array, value, start, end) {
+        var length = array.length;
+        start = start == null ? 0 : +start || 0;
+        if (start < 0) {
+          start = -start > length ? 0 : length + start;
+        }
+        end = end === undefined || end > length ? length : +end || 0;
+        if (end < 0) {
+          end += length;
+        }
+        length = start > end ? 0 : end >>> 0;
+        start >>>= 0;
+        while (start < length) {
+          array[start++] = value;
+        }
+        return array;
+      }
+      /**
+     * The base implementation of `_.filter` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+      function baseFilter(collection, predicate) {
+        var result = [];
+        baseEach(collection, function (value, index, collection) {
+          if (predicate(value, index, collection)) {
+            result.push(value);
+          }
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,
+     * without support for callback shorthands and `this` binding, which iterates
+     * over `collection` using the provided `eachFunc`.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {Function} eachFunc The function to iterate over `collection`.
+     * @param {boolean} [retKey] Specify returning the key of the found element
+     *  instead of the element itself.
+     * @returns {*} Returns the found element or its key, else `undefined`.
+     */
+      function baseFind(collection, predicate, eachFunc, retKey) {
+        var result;
+        eachFunc(collection, function (value, key, collection) {
+          if (predicate(value, key, collection)) {
+            result = retKey ? key : value;
+            return false;
+          }
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.flatten` with added support for restricting
+     * flattening and specifying the start index.
+     *
+     * @private
+     * @param {Array} array The array to flatten.
+     * @param {boolean} [isDeep] Specify a deep flatten.
+     * @param {boolean} [isStrict] Restrict flattening to arrays-like objects.
+     * @param {Array} [result=[]] The initial result value.
+     * @returns {Array} Returns the new flattened array.
+     */
+      function baseFlatten(array, isDeep, isStrict, result) {
+        result || (result = []);
+        var index = -1, length = array.length;
+        while (++index < length) {
+          var value = array[index];
+          if (isObjectLike(value) && isArrayLike(value) && (isStrict || isArray(value) || isArguments(value))) {
+            if (isDeep) {
+              // Recursively flatten arrays (susceptible to call stack limits).
+              baseFlatten(value, isDeep, isStrict, result);
+            } else {
+              arrayPush(result, value);
+            }
+          } else if (!isStrict) {
+            result[result.length] = value;
+          }
+        }
+        return result;
+      }
+      /**
+     * The base implementation of `baseForIn` and `baseForOwn` which iterates
+     * over `object` properties returned by `keysFunc` invoking `iteratee` for
+     * each property. Iteratee functions may exit iteration early by explicitly
+     * returning `false`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+      var baseFor = createBaseFor();
+      /**
+     * This function is like `baseFor` except that it iterates over properties
+     * in the opposite order.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+      var baseForRight = createBaseFor(true);
+      /**
+     * The base implementation of `_.forIn` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+      function baseForIn(object, iteratee) {
+        return baseFor(object, iteratee, keysIn);
+      }
+      /**
+     * The base implementation of `_.forOwn` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+      function baseForOwn(object, iteratee) {
+        return baseFor(object, iteratee, keys);
+      }
+      /**
+     * The base implementation of `_.forOwnRight` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+      function baseForOwnRight(object, iteratee) {
+        return baseForRight(object, iteratee, keys);
+      }
+      /**
+     * The base implementation of `_.functions` which creates an array of
+     * `object` function property names filtered from those provided.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The property names to filter.
+     * @returns {Array} Returns the new array of filtered property names.
+     */
+      function baseFunctions(object, props) {
+        var index = -1, length = props.length, resIndex = -1, result = [];
+        while (++index < length) {
+          var key = props[index];
+          if (isFunction(object[key])) {
+            result[++resIndex] = key;
+          }
+        }
+        return result;
+      }
+      /**
+     * The base implementation of `get` without support for string paths
+     * and default values.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array} path The path of the property to get.
+     * @param {string} [pathKey] The key representation of path.
+     * @returns {*} Returns the resolved value.
+     */
+      function baseGet(object, path, pathKey) {
+        if (object == null) {
+          return;
+        }
+        if (pathKey !== undefined && pathKey in toObject(object)) {
+          path = [pathKey];
+        }
+        var index = 0, length = path.length;
+        while (object != null && index < length) {
+          object = object[path[index++]];
+        }
+        return index && index == length ? object : undefined;
+      }
+      /**
+     * The base implementation of `_.isEqual` without support for `this` binding
+     * `customizer` functions.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize comparing values.
+     * @param {boolean} [isLoose] Specify performing partial comparisons.
+     * @param {Array} [stackA] Tracks traversed `value` objects.
+     * @param {Array} [stackB] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     */
+      function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
+        if (value === other) {
+          return true;
+        }
+        if (value == null || other == null || !isObject(value) && !isObjectLike(other)) {
+          return value !== value && other !== other;
+        }
+        return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);
+      }
+      /**
+     * A specialized version of `baseIsEqual` for arrays and objects which performs
+     * deep comparisons and tracks traversed objects enabling objects with circular
+     * references to be compared.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Function} [customizer] The function to customize comparing objects.
+     * @param {boolean} [isLoose] Specify performing partial comparisons.
+     * @param {Array} [stackA=[]] Tracks traversed `value` objects.
+     * @param {Array} [stackB=[]] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+      function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
+        var objIsArr = isArray(object), othIsArr = isArray(other), objTag = arrayTag, othTag = arrayTag;
+        if (!objIsArr) {
+          objTag = objToString.call(object);
+          if (objTag == argsTag) {
+            objTag = objectTag;
+          } else if (objTag != objectTag) {
+            objIsArr = isTypedArray(object);
+          }
+        }
+        if (!othIsArr) {
+          othTag = objToString.call(other);
+          if (othTag == argsTag) {
+            othTag = objectTag;
+          } else if (othTag != objectTag) {
+            othIsArr = isTypedArray(other);
+          }
+        }
+        var objIsObj = objTag == objectTag, othIsObj = othTag == objectTag, isSameTag = objTag == othTag;
+        if (isSameTag && !(objIsArr || objIsObj)) {
+          return equalByTag(object, other, objTag);
+        }
+        if (!isLoose) {
+          var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+          if (objIsWrapped || othIsWrapped) {
+            return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);
+          }
+        }
+        if (!isSameTag) {
+          return false;
+        }
+        // Assume cyclic values are equal.
+        // For more information on detecting circular references see https://es5.github.io/#JO.
+        stackA || (stackA = []);
+        stackB || (stackB = []);
+        var length = stackA.length;
+        while (length--) {
+          if (stackA[length] == object) {
+            return stackB[length] == other;
+          }
+        }
+        // Add `object` and `other` to the stack of traversed objects.
+        stackA.push(object);
+        stackB.push(other);
+        var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);
+        stackA.pop();
+        stackB.pop();
+        return result;
+      }
+      /**
+     * The base implementation of `_.isMatch` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} matchData The propery names, values, and compare flags to match.
+     * @param {Function} [customizer] The function to customize comparing objects.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     */
+      function baseIsMatch(object, matchData, customizer) {
+        var index = matchData.length, length = index, noCustomizer = !customizer;
+        if (object == null) {
+          return !length;
+        }
+        object = toObject(object);
+        while (index--) {
+          var data = matchData[index];
+          if (noCustomizer && data[2] ? data[1] !== object[data[0]] : !(data[0] in object)) {
+            return false;
+          }
+        }
+        while (++index < length) {
+          data = matchData[index];
+          var key = data[0], objValue = object[key], srcValue = data[1];
+          if (noCustomizer && data[2]) {
+            if (objValue === undefined && !(key in object)) {
+              return false;
+            }
+          } else {
+            var result = customizer ? customizer(objValue, srcValue, key) : undefined;
+            if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, true) : result)) {
+              return false;
+            }
+          }
+        }
+        return true;
+      }
+      /**
+     * The base implementation of `_.map` without support for callback shorthands
+     * and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+      function baseMap(collection, iteratee) {
+        var index = -1, result = isArrayLike(collection) ? Array(collection.length) : [];
+        baseEach(collection, function (value, key, collection) {
+          result[++index] = iteratee(value, key, collection);
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.matches` which does not clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new function.
+     */
+      function baseMatches(source) {
+        var matchData = getMatchData(source);
+        if (matchData.length == 1 && matchData[0][2]) {
+          var key = matchData[0][0], value = matchData[0][1];
+          return function (object) {
+            if (object == null) {
+              return false;
+            }
+            return object[key] === value && (value !== undefined || key in toObject(object));
+          };
+        }
+        return function (object) {
+          return baseIsMatch(object, matchData);
+        };
+      }
+      /**
+     * The base implementation of `_.matchesProperty` which does not clone `srcValue`.
+     *
+     * @private
+     * @param {string} path The path of the property to get.
+     * @param {*} srcValue The value to compare.
+     * @returns {Function} Returns the new function.
+     */
+      function baseMatchesProperty(path, srcValue) {
+        var isArr = isArray(path), isCommon = isKey(path) && isStrictComparable(srcValue), pathKey = path + '';
+        path = toPath(path);
+        return function (object) {
+          if (object == null) {
+            return false;
+          }
+          var key = pathKey;
+          object = toObject(object);
+          if ((isArr || !isCommon) && !(key in object)) {
+            object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
+            if (object == null) {
+              return false;
+            }
+            key = last(path);
+            object = toObject(object);
+          }
+          return object[key] === srcValue ? srcValue !== undefined || key in object : baseIsEqual(srcValue, object[key], undefined, true);
+        };
+      }
+      /**
+     * The base implementation of `_.merge` without support for argument juggling,
+     * multiple sources, and `this` binding `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {Function} [customizer] The function to customize merged values.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates values with source counterparts.
+     * @returns {Object} Returns `object`.
+     */
+      function baseMerge(object, source, customizer, stackA, stackB) {
+        if (!isObject(object)) {
+          return object;
+        }
+        var isSrcArr = isArrayLike(source) && (isArray(source) || isTypedArray(source)), props = isSrcArr ? undefined : keys(source);
+        arrayEach(props || source, function (srcValue, key) {
+          if (props) {
+            key = srcValue;
+            srcValue = source[key];
+          }
+          if (isObjectLike(srcValue)) {
+            stackA || (stackA = []);
+            stackB || (stackB = []);
+            baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
+          } else {
+            var value = object[key], result = customizer ? customizer(value, srcValue, key, object, source) : undefined, isCommon = result === undefined;
+            if (isCommon) {
+              result = srcValue;
+            }
+            if ((result !== undefined || isSrcArr && !(key in object)) && (isCommon || (result === result ? result !== value : value === value))) {
+              object[key] = result;
+            }
+          }
+        });
+        return object;
+      }
+      /**
+     * A specialized version of `baseMerge` for arrays and objects which performs
+     * deep merges and tracks traversed objects enabling objects with circular
+     * references to be merged.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {string} key The key of the value to merge.
+     * @param {Function} mergeFunc The function to merge values.
+     * @param {Function} [customizer] The function to customize merged values.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates values with source counterparts.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+      function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
+        var length = stackA.length, srcValue = source[key];
+        while (length--) {
+          if (stackA[length] == srcValue) {
+            object[key] = stackB[length];
+            return;
+          }
+        }
+        var value = object[key], result = customizer ? customizer(value, srcValue, key, object, source) : undefined, isCommon = result === undefined;
+        if (isCommon) {
+          result = srcValue;
+          if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) {
+            result = isArray(value) ? value : isArrayLike(value) ? arrayCopy(value) : [];
+          } else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+            result = isArguments(value) ? toPlainObject(value) : isPlainObject(value) ? value : {};
+          } else {
+            isCommon = false;
+          }
+        }
+        // Add the source value to the stack of traversed objects and associate
+        // it with its merged value.
+        stackA.push(srcValue);
+        stackB.push(result);
+        if (isCommon) {
+          // Recursively merge objects and arrays (susceptible to call stack limits).
+          object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
+        } else if (result === result ? result !== value : value === value) {
+          object[key] = result;
+        }
+      }
+      /**
+     * The base implementation of `_.property` without support for deep paths.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @returns {Function} Returns the new function.
+     */
+      function baseProperty(key) {
+        return function (object) {
+          return object == null ? undefined : object[key];
+        };
+      }
+      /**
+     * A specialized version of `baseProperty` which supports deep paths.
+     *
+     * @private
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new function.
+     */
+      function basePropertyDeep(path) {
+        var pathKey = path + '';
+        path = toPath(path);
+        return function (object) {
+          return baseGet(object, path, pathKey);
+        };
+      }
+      /**
+     * The base implementation of `_.pullAt` without support for individual
+     * index arguments and capturing the removed elements.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {number[]} indexes The indexes of elements to remove.
+     * @returns {Array} Returns `array`.
+     */
+      function basePullAt(array, indexes) {
+        var length = array ? indexes.length : 0;
+        while (length--) {
+          var index = indexes[length];
+          if (index != previous && isIndex(index)) {
+            var previous = index;
+            splice.call(array, index, 1);
+          }
+        }
+        return array;
+      }
+      /**
+     * The base implementation of `_.random` without support for argument juggling
+     * and returning floating-point numbers.
+     *
+     * @private
+     * @param {number} min The minimum possible value.
+     * @param {number} max The maximum possible value.
+     * @returns {number} Returns the random number.
+     */
+      function baseRandom(min, max) {
+        return min + nativeFloor(nativeRandom() * (max - min + 1));
+      }
+      /**
+     * The base implementation of `_.reduce` and `_.reduceRight` without support
+     * for callback shorthands and `this` binding, which iterates over `collection`
+     * using the provided `eachFunc`.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} accumulator The initial value.
+     * @param {boolean} initFromCollection Specify using the first or last element
+     *  of `collection` as the initial value.
+     * @param {Function} eachFunc The function to iterate over `collection`.
+     * @returns {*} Returns the accumulated value.
+     */
+      function baseReduce(collection, iteratee, accumulator, initFromCollection, eachFunc) {
+        eachFunc(collection, function (value, index, collection) {
+          accumulator = initFromCollection ? (initFromCollection = false, value) : iteratee(accumulator, value, index, collection);
+        });
+        return accumulator;
+      }
+      /**
+     * The base implementation of `setData` without support for hot loop detection.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+      var baseSetData = !metaMap ? identity : function (func, data) {
+          metaMap.set(func, data);
+          return func;
+        };
+      /**
+     * The base implementation of `_.slice` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+      function baseSlice(array, start, end) {
+        var index = -1, length = array.length;
+        start = start == null ? 0 : +start || 0;
+        if (start < 0) {
+          start = -start > length ? 0 : length + start;
+        }
+        end = end === undefined || end > length ? length : +end || 0;
+        if (end < 0) {
+          end += length;
+        }
+        length = start > end ? 0 : end - start >>> 0;
+        start >>>= 0;
+        var result = Array(length);
+        while (++index < length) {
+          result[index] = array[index + start];
+        }
+        return result;
+      }
+      /**
+     * The base implementation of `_.some` without support for callback shorthands
+     * and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+      function baseSome(collection, predicate) {
+        var result;
+        baseEach(collection, function (value, index, collection) {
+          result = predicate(value, index, collection);
+          return !result;
+        });
+        return !!result;
+      }
+      /**
+     * The base implementation of `_.sortBy` which uses `comparer` to define
+     * the sort order of `array` and replaces criteria objects with their
+     * corresponding values.
+     *
+     * @private
+     * @param {Array} array The array to sort.
+     * @param {Function} comparer The function to define sort order.
+     * @returns {Array} Returns `array`.
+     */
+      function baseSortBy(array, comparer) {
+        var length = array.length;
+        array.sort(comparer);
+        while (length--) {
+          array[length] = array[length].value;
+        }
+        return array;
+      }
+      /**
+     * The base implementation of `_.sortByOrder` without param guards.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+     * @param {boolean[]} orders The sort orders of `iteratees`.
+     * @returns {Array} Returns the new sorted array.
+     */
+      function baseSortByOrder(collection, iteratees, orders) {
+        var callback = getCallback(), index = -1;
+        iteratees = arrayMap(iteratees, function (iteratee) {
+          return callback(iteratee);
+        });
+        var result = baseMap(collection, function (value) {
+            var criteria = arrayMap(iteratees, function (iteratee) {
+                return iteratee(value);
+              });
+            return {
+              'criteria': criteria,
+              'index': ++index,
+              'value': value
+            };
+          });
+        return baseSortBy(result, function (object, other) {
+          return compareMultiple(object, other, orders);
+        });
+      }
+      /**
+     * The base implementation of `_.sum` without support for callback shorthands
+     * and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {number} Returns the sum.
+     */
+      function baseSum(collection, iteratee) {
+        var result = 0;
+        baseEach(collection, function (value, index, collection) {
+          result += +iteratee(value, index, collection) || 0;
+        });
+        return result;
+      }
+      /**
+     * The base implementation of `_.uniq` without support for callback shorthands
+     * and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The function invoked per iteration.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+      function baseUniq(array, iteratee) {
+        var index = -1, indexOf = getIndexOf(), length = array.length, isCommon = indexOf === baseIndexOf, isLarge = isCommon && length >= LARGE_ARRAY_SIZE, seen = isLarge ? createCache() : null, result = [];
+        if (seen) {
+          indexOf = cacheIndexOf;
+          isCommon = false;
+        } else {
+          isLarge = false;
+          seen = iteratee ? [] : result;
+        }
+        outer:
+          while (++index < length) {
+            var value = array[index], computed = iteratee ? iteratee(value, index, array) : value;
+            if (isCommon && value === value) {
+              var seenIndex = seen.length;
+              while (seenIndex--) {
+                if (seen[seenIndex] === computed) {
+                  continue outer;
+                }
+              }
+              if (iteratee) {
+                seen.push(computed);
+              }
+              result.push(value);
+            } else if (indexOf(seen, computed, 0) < 0) {
+              if (iteratee || isLarge) {
+                seen.push(computed);
+              }
+              result.push(value);
+            }
+          }
+        return result;
+      }
+      /**
+     * The base implementation of `_.values` and `_.valuesIn` which creates an
+     * array of `object` property values corresponding to the property names
+     * of `props`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array} props The property names to get values for.
+     * @returns {Object} Returns the array of property values.
+     */
+      function baseValues(object, props) {
+        var index = -1, length = props.length, result = Array(length);
+        while (++index < length) {
+          result[index] = object[props[index]];
+        }
+        return result;
+      }
+      /**
+     * The base implementation of `_.dropRightWhile`, `_.dropWhile`, `_.takeRightWhile`,
+     * and `_.takeWhile` without support for callback shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the slice of `array`.
+     */
+      function baseWhile(array, predicate, isDrop, fromRight) {
+        var length = array.length, index = fromRight ? length : -1;
+        while ((fromRight ? index-- : ++index < length) && predicate(array[index], index, array)) {
+        }
+        return isDrop ? baseSlice(array, fromRight ? 0 : index, fromRight ? index + 1 : length) : baseSlice(array, fromRight ? index + 1 : 0, fromRight ? length : index);
+      }
+      /**
+     * The base implementation of `wrapperValue` which returns the result of
+     * performing a sequence of actions on the unwrapped `value`, where each
+     * successive action is supplied the return value of the previous.
+     *
+     * @private
+     * @param {*} value The unwrapped value.
+     * @param {Array} actions Actions to peform to resolve the unwrapped value.
+     * @returns {*} Returns the resolved value.
+     */
+      function baseWrapperValue(value, actions) {
+        var result = value;
+        if (result instanceof LazyWrapper) {
+          result = result.value();
+        }
+        var index = -1, length = actions.length;
+        while (++index < length) {
+          var action = actions[index];
+          result = action.func.apply(action.thisArg, arrayPush([result], action.args));
+        }
+        return result;
+      }
+      /**
+     * Performs a binary search of `array` to determine the index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+      function binaryIndex(array, value, retHighest) {
+        var low = 0, high = array ? array.length : low;
+        if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+          while (low < high) {
+            var mid = low + high >>> 1, computed = array[mid];
+            if ((retHighest ? computed <= value : computed < value) && computed !== null) {
+              low = mid + 1;
+            } else {
+              high = mid;
+            }
+          }
+          return high;
+        }
+        return binaryIndexBy(array, value, identity, retHighest);
+      }
+      /**
+     * This function is like `binaryIndex` except that it invokes `iteratee` for
+     * `value` and each element of `array` to compute their sort ranking. The
+     * iteratee is invoked with one argument; (value).
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+      function binaryIndexBy(array, value, iteratee, retHighest) {
+        value = iteratee(value);
+        var low = 0, high = array ? array.length : 0, valIsNaN = value !== value, valIsNull = value === null, valIsUndef = value === undefined;
+        while (low < high) {
+          var mid = nativeFloor((low + high) / 2), computed = iteratee(array[mid]), isDef = computed !== undefined, isReflexive = computed === computed;
+          if (valIsNaN) {
+            var setLow = isReflexive || retHighest;
+          } else if (valIsNull) {
+            setLow = isReflexive && isDef && (retHighest || computed != null);
+          } else if (valIsUndef) {
+            setLow = isReflexive && (retHighest || isDef);
+          } else if (computed == null) {
+            setLow = false;
+          } else {
+            setLow = retHighest ? computed <= value : computed < value;
+          }
+          if (setLow) {
+            low = mid + 1;
+          } else {
+            high = mid;
+          }
+        }
+        return nativeMin(high, MAX_ARRAY_INDEX);
+      }
+      /**
+     * A specialized version of `baseCallback` which only supports `this` binding
+     * and specifying the number of arguments to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to bind.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {number} [argCount] The number of arguments to provide to `func`.
+     * @returns {Function} Returns the callback.
+     */
+      function bindCallback(func, thisArg, argCount) {
+        if (typeof func != 'function') {
+          return identity;
+        }
+        if (thisArg === undefined) {
+          return func;
+        }
+        switch (argCount) {
+        case 1:
+          return function (value) {
+            return func.call(thisArg, value);
+          };
+        case 3:
+          return function (value, index, collection) {
+            return func.call(thisArg, value, index, collection);
+          };
+        case 4:
+          return function (accumulator, value, index, collection) {
+            return func.call(thisArg, accumulator, value, index, collection);
+          };
+        case 5:
+          return function (value, other, key, object, source) {
+            return func.call(thisArg, value, other, key, object, source);
+          };
+        }
+        return function () {
+          return func.apply(thisArg, arguments);
+        };
+      }
+      /**
+     * Creates a clone of the given array buffer.
+     *
+     * @private
+     * @param {ArrayBuffer} buffer The array buffer to clone.
+     * @returns {ArrayBuffer} Returns the cloned array buffer.
+     */
+      function bufferClone(buffer) {
+        var result = new ArrayBuffer(buffer.byteLength), view = new Uint8Array(result);
+        view.set(new Uint8Array(buffer));
+        return result;
+      }
+      /**
+     * Creates an array that is the composition of partially applied arguments,
+     * placeholders, and provided arguments into a single array of arguments.
+     *
+     * @private
+     * @param {Array|Object} args The provided arguments.
+     * @param {Array} partials The arguments to prepend to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+      function composeArgs(args, partials, holders) {
+        var holdersLength = holders.length, argsIndex = -1, argsLength = nativeMax(args.length - holdersLength, 0), leftIndex = -1, leftLength = partials.length, result = Array(leftLength + argsLength);
+        while (++leftIndex < leftLength) {
+          result[leftIndex] = partials[leftIndex];
+        }
+        while (++argsIndex < holdersLength) {
+          result[holders[argsIndex]] = args[argsIndex];
+        }
+        while (argsLength--) {
+          result[leftIndex++] = args[argsIndex++];
+        }
+        return result;
+      }
+      /**
+     * This function is like `composeArgs` except that the arguments composition
+     * is tailored for `_.partialRight`.
+     *
+     * @private
+     * @param {Array|Object} args The provided arguments.
+     * @param {Array} partials The arguments to append to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+      function composeArgsRight(args, partials, holders) {
+        var holdersIndex = -1, holdersLength = holders.length, argsIndex = -1, argsLength = nativeMax(args.length - holdersLength, 0), rightIndex = -1, rightLength = partials.length, result = Array(argsLength + rightLength);
+        while (++argsIndex < argsLength) {
+          result[argsIndex] = args[argsIndex];
+        }
+        var offset = argsIndex;
+        while (++rightIndex < rightLength) {
+          result[offset + rightIndex] = partials[rightIndex];
+        }
+        while (++holdersIndex < holdersLength) {
+          result[offset + holders[holdersIndex]] = args[argsIndex++];
+        }
+        return result;
+      }
+      /**
+     * Creates a `_.countBy`, `_.groupBy`, `_.indexBy`, or `_.partition` function.
+     *
+     * @private
+     * @param {Function} setter The function to set keys and values of the accumulator object.
+     * @param {Function} [initializer] The function to initialize the accumulator object.
+     * @returns {Function} Returns the new aggregator function.
+     */
+      function createAggregator(setter, initializer) {
+        return function (collection, iteratee, thisArg) {
+          var result = initializer ? initializer() : {};
+          iteratee = getCallback(iteratee, thisArg, 3);
+          if (isArray(collection)) {
+            var index = -1, length = collection.length;
+            while (++index < length) {
+              var value = collection[index];
+              setter(result, value, iteratee(value, index, collection), collection);
+            }
+          } else {
+            baseEach(collection, function (value, key, collection) {
+              setter(result, value, iteratee(value, key, collection), collection);
+            });
+          }
+          return result;
+        };
+      }
+      /**
+     * Creates a `_.assign`, `_.defaults`, or `_.merge` function.
+     *
+     * @private
+     * @param {Function} assigner The function to assign values.
+     * @returns {Function} Returns the new assigner function.
+     */
+      function createAssigner(assigner) {
+        return restParam(function (object, sources) {
+          var index = -1, length = object == null ? 0 : sources.length, customizer = length > 2 ? sources[length - 2] : undefined, guard = length > 2 ? sources[2] : undefined, thisArg = length > 1 ? sources[length - 1] : undefined;
+          if (typeof customizer == 'function') {
+            customizer = bindCallback(customizer, thisArg, 5);
+            length -= 2;
+          } else {
+            customizer = typeof thisArg == 'function' ? thisArg : undefined;
+            length -= customizer ? 1 : 0;
+          }
+          if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+            customizer = length < 3 ? undefined : customizer;
+            length = 1;
+          }
+          while (++index < length) {
+            var source = sources[index];
+            if (source) {
+              assigner(object, source, customizer);
+            }
+          }
+          return object;
+        });
+      }
+      /**
+     * Creates a `baseEach` or `baseEachRight` function.
+     *
+     * @private
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+      function createBaseEach(eachFunc, fromRight) {
+        return function (collection, iteratee) {
+          var length = collection ? getLength(collection) : 0;
+          if (!isLength(length)) {
+            return eachFunc(collection, iteratee);
+          }
+          var index = fromRight ? length : -1, iterable = toObject(collection);
+          while (fromRight ? index-- : ++index < length) {
+            if (iteratee(iterable[index], index, iterable) === false) {
+              break;
+            }
+          }
+          return collection;
+        };
+      }
+      /**
+     * Creates a base function for `_.forIn` or `_.forInRight`.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+      function createBaseFor(fromRight) {
+        return function (object, iteratee, keysFunc) {
+          var iterable = toObject(object), props = keysFunc(object), length = props.length, index = fromRight ? length : -1;
+          while (fromRight ? index-- : ++index < length) {
+            var key = props[index];
+            if (iteratee(iterable[key], key, iterable) === false) {
+              break;
+            }
+          }
+          return object;
+        };
+      }
+      /**
+     * Creates a function that wraps `func` and invokes it with the `this`
+     * binding of `thisArg`.
+     *
+     * @private
+     * @param {Function} func The function to bind.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @returns {Function} Returns the new bound function.
+     */
+      function createBindWrapper(func, thisArg) {
+        var Ctor = createCtorWrapper(func);
+        function wrapper() {
+          var fn = this && this !== root && this instanceof wrapper ? Ctor : func;
+          return fn.apply(thisArg, arguments);
+        }
+        return wrapper;
+      }
+      /**
+     * Creates a `Set` cache object to optimize linear searches of large arrays.
+     *
+     * @private
+     * @param {Array} [values] The values to cache.
+     * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.
+     */
+      function createCache(values) {
+        return nativeCreate && Set ? new SetCache(values) : null;
+      }
+      /**
+     * Creates a function that produces compound words out of the words in a
+     * given string.
+     *
+     * @private
+     * @param {Function} callback The function to combine each word.
+     * @returns {Function} Returns the new compounder function.
+     */
+      function createCompounder(callback) {
+        return function (string) {
+          var index = -1, array = words(deburr(string)), length = array.length, result = '';
+          while (++index < length) {
+            result = callback(result, array[index], index);
+          }
+          return result;
+        };
+      }
+      /**
+     * Creates a function that produces an instance of `Ctor` regardless of
+     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+     *
+     * @private
+     * @param {Function} Ctor The constructor to wrap.
+     * @returns {Function} Returns the new wrapped function.
+     */
+      function createCtorWrapper(Ctor) {
+        return function () {
+          // Use a `switch` statement to work with class constructors.
+          // See http://ecma-international.org/ecma-262/6.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+          // for more details.
+          var args = arguments;
+          switch (args.length) {
+          case 0:
+            return new Ctor();
+          case 1:
+            return new Ctor(args[0]);
+          case 2:
+            return new Ctor(args[0], args[1]);
+          case 3:
+            return new Ctor(args[0], args[1], args[2]);
+          case 4:
+            return new Ctor(args[0], args[1], args[2], args[3]);
+          case 5:
+            return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+          case 6:
+            return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+          case 7:
+            return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+          }
+          var thisBinding = baseCreate(Ctor.prototype), result = Ctor.apply(thisBinding, args);
+          // Mimic the constructor's `return` behavior.
+          // See https://es5.github.io/#x13.2.2 for more details.
+          return isObject(result) ? result : thisBinding;
+        };
+      }
+      /**
+     * Creates a `_.curry` or `_.curryRight` function.
+     *
+     * @private
+     * @param {boolean} flag The curry bit flag.
+     * @returns {Function} Returns the new curry function.
+     */
+      function createCurry(flag) {
+        function curryFunc(func, arity, guard) {
+          if (guard && isIterateeCall(func, arity, guard)) {
+            arity = undefined;
+          }
+          var result = createWrapper(func, flag, undefined, undefined, undefined, undefined, undefined, arity);
+          result.placeholder = curryFunc.placeholder;
+          return result;
+        }
+        return curryFunc;
+      }
+      /**
+     * Creates a `_.defaults` or `_.defaultsDeep` function.
+     *
+     * @private
+     * @param {Function} assigner The function to assign values.
+     * @param {Function} customizer The function to customize assigned values.
+     * @returns {Function} Returns the new defaults function.
+     */
+      function createDefaults(assigner, customizer) {
+        return restParam(function (args) {
+          var object = args[0];
+          if (object == null) {
+            return object;
+          }
+          args.push(customizer);
+          return assigner.apply(undefined, args);
+        });
+      }
+      /**
+     * Creates a `_.max` or `_.min` function.
+     *
+     * @private
+     * @param {Function} comparator The function used to compare values.
+     * @param {*} exValue The initial extremum value.
+     * @returns {Function} Returns the new extremum function.
+     */
+      function createExtremum(comparator, exValue) {
+        return function (collection, iteratee, thisArg) {
+          if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
+            iteratee = undefined;
+          }
+          iteratee = getCallback(iteratee, thisArg, 3);
+          if (iteratee.length == 1) {
+            collection = isArray(collection) ? collection : toIterable(collection);
+            var result = arrayExtremum(collection, iteratee, comparator, exValue);
+            if (!(collection.length && result === exValue)) {
+              return result;
+            }
+          }
+          return baseExtremum(collection, iteratee, comparator, exValue);
+        };
+      }
+      /**
+     * Creates a `_.find` or `_.findLast` function.
+     *
+     * @private
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new find function.
+     */
+      function createFind(eachFunc, fromRight) {
+        return function (collection, predicate, thisArg) {
+          predicate = getCallback(predicate, thisArg, 3);
+          if (isArray(collection)) {
+            var index = baseFindIndex(collection, predicate, fromRight);
+            return index > -1 ? collection[index] : undefined;
+          }
+          return baseFind(collection, predicate, eachFunc);
+        };
+      }
+      /**
+     * Creates a `_.findIndex` or `_.findLastIndex` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new find function.
+     */
+      function createFindIndex(fromRight) {
+        return function (array, predicate, thisArg) {
+          if (!(array && array.length)) {
+            return -1;
+          }
+          predicate = getCallback(predicate, thisArg, 3);
+          return baseFindIndex(array, predicate, fromRight);
+        };
+      }
+      /**
+     * Creates a `_.findKey` or `_.findLastKey` function.
+     *
+     * @private
+     * @param {Function} objectFunc The function to iterate over an object.
+     * @returns {Function} Returns the new find function.
+     */
+      function createFindKey(objectFunc) {
+        return function (object, predicate, thisArg) {
+          predicate = getCallback(predicate, thisArg, 3);
+          return baseFind(object, predicate, objectFunc, true);
+        };
+      }
+      /**
+     * Creates a `_.flow` or `_.flowRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new flow function.
+     */
+      function createFlow(fromRight) {
+        return function () {
+          var wrapper, length = arguments.length, index = fromRight ? length : -1, leftIndex = 0, funcs = Array(length);
+          while (fromRight ? index-- : ++index < length) {
+            var func = funcs[leftIndex++] = arguments[index];
+            if (typeof func != 'function') {
+              throw new TypeError(FUNC_ERROR_TEXT);
+            }
+            if (!wrapper && LodashWrapper.prototype.thru && getFuncName(func) == 'wrapper') {
+              wrapper = new LodashWrapper([], true);
+            }
+          }
+          index = wrapper ? -1 : length;
+          while (++index < length) {
+            func = funcs[index];
+            var funcName = getFuncName(func), data = funcName == 'wrapper' ? getData(func) : undefined;
+            if (data && isLaziable(data[0]) && data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && !data[4].length && data[9] == 1) {
+              wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+            } else {
+              wrapper = func.length == 1 && isLaziable(func) ? wrapper[funcName]() : wrapper.thru(func);
+            }
+          }
+          return function () {
+            var args = arguments, value = args[0];
+            if (wrapper && args.length == 1 && isArray(value) && value.length >= LARGE_ARRAY_SIZE) {
+              return wrapper.plant(value).value();
+            }
+            var index = 0, result = length ? funcs[index].apply(this, args) : value;
+            while (++index < length) {
+              result = funcs[index].call(this, result);
+            }
+            return result;
+          };
+        };
+      }
+      /**
+     * Creates a function for `_.forEach` or `_.forEachRight`.
+     *
+     * @private
+     * @param {Function} arrayFunc The function to iterate over an array.
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @returns {Function} Returns the new each function.
+     */
+      function createForEach(arrayFunc, eachFunc) {
+        return function (collection, iteratee, thisArg) {
+          return typeof iteratee == 'function' && thisArg === undefined && isArray(collection) ? arrayFunc(collection, iteratee) : eachFunc(collection, bindCallback(iteratee, thisArg, 3));
+        };
+      }
+      /**
+     * Creates a function for `_.forIn` or `_.forInRight`.
+     *
+     * @private
+     * @param {Function} objectFunc The function to iterate over an object.
+     * @returns {Function} Returns the new each function.
+     */
+      function createForIn(objectFunc) {
+        return function (object, iteratee, thisArg) {
+          if (typeof iteratee != 'function' || thisArg !== undefined) {
+            iteratee = bindCallback(iteratee, thisArg, 3);
+          }
+          return objectFunc(object, iteratee, keysIn);
+        };
+      }
+      /**
+     * Creates a function for `_.forOwn` or `_.forOwnRight`.
+     *
+     * @private
+     * @param {Function} objectFunc The function to iterate over an object.
+     * @returns {Function} Returns the new each function.
+     */
+      function createForOwn(objectFunc) {
+        return function (object, iteratee, thisArg) {
+          if (typeof iteratee != 'function' || thisArg !== undefined) {
+            iteratee = bindCallback(iteratee, thisArg, 3);
+          }
+          return objectFunc(object, iteratee);
+        };
+      }
+      /**
+     * Creates a function for `_.mapKeys` or `_.mapValues`.
+     *
+     * @private
+     * @param {boolean} [isMapKeys] Specify mapping keys instead of values.
+     * @returns {Function} Returns the new map function.
+     */
+      function createObjectMapper(isMapKeys) {
+        return function (object, iteratee, thisArg) {
+          var result = {};
+          iteratee = getCallback(iteratee, thisArg, 3);
+          baseForOwn(object, function (value, key, object) {
+            var mapped = iteratee(value, key, object);
+            key = isMapKeys ? mapped : key;
+            value = isMapKeys ? value : mapped;
+            result[key] = value;
+          });
+          return result;
+        };
+      }
+      /**
+     * Creates a function for `_.padLeft` or `_.padRight`.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify padding from the right.
+     * @returns {Function} Returns the new pad function.
+     */
+      function createPadDir(fromRight) {
+        return function (string, length, chars) {
+          string = baseToString(string);
+          return (fromRight ? string : '') + createPadding(string, length, chars) + (fromRight ? '' : string);
+        };
+      }
+      /**
+     * Creates a `_.partial` or `_.partialRight` function.
+     *
+     * @private
+     * @param {boolean} flag The partial bit flag.
+     * @returns {Function} Returns the new partial function.
+     */
+      function createPartial(flag) {
+        var partialFunc = restParam(function (func, partials) {
+            var holders = replaceHolders(partials, partialFunc.placeholder);
+            return createWrapper(func, flag, undefined, partials, holders);
+          });
+        return partialFunc;
+      }
+      /**
+     * Creates a function for `_.reduce` or `_.reduceRight`.
+     *
+     * @private
+     * @param {Function} arrayFunc The function to iterate over an array.
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @returns {Function} Returns the new each function.
+     */
+      function createReduce(arrayFunc, eachFunc) {
+        return function (collection, iteratee, accumulator, thisArg) {
+          var initFromArray = arguments.length < 3;
+          return typeof iteratee == 'function' && thisArg === undefined && isArray(collection) ? arrayFunc(collection, iteratee, accumulator, initFromArray) : baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);
+        };
+      }
+      /**
+     * Creates a function that wraps `func` and invokes it with optional `this`
+     * binding of, partial application, and currying.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to reference.
+     * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [partialsRight] The arguments to append to those provided to the new function.
+     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+      function createHybridWrapper(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+        var isAry = bitmask & ARY_FLAG, isBind = bitmask & BIND_FLAG, isBindKey = bitmask & BIND_KEY_FLAG, isCurry = bitmask & CURRY_FLAG, isCurryBound = bitmask & CURRY_BOUND_FLAG, isCurryRight = bitmask & CURRY_RIGHT_FLAG, Ctor = isBindKey ? undefined : createCtorWrapper(func);
+        function wrapper() {
+          // Avoid `arguments` object use disqualifying optimizations by
+          // converting it to an array before providing it to other functions.
+          var length = arguments.length, index = length, args = Array(length);
+          while (index--) {
+            args[index] = arguments[index];
+          }
+          if (partials) {
+            args = composeArgs(args, partials, holders);
+          }
+          if (partialsRight) {
+            args = composeArgsRight(args, partialsRight, holdersRight);
+          }
+          if (isCurry || isCurryRight) {
+            var placeholder = wrapper.placeholder, argsHolders = replaceHolders(args, placeholder);
+            length -= argsHolders.length;
+            if (length < arity) {
+              var newArgPos = argPos ? arrayCopy(argPos) : undefined, newArity = nativeMax(arity - length, 0), newsHolders = isCurry ? argsHolders : undefined, newHoldersRight = isCurry ? undefined : argsHolders, newPartials = isCurry ? args : undefined, newPartialsRight = isCurry ? undefined : args;
+              bitmask |= isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG;
+              bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);
+              if (!isCurryBound) {
+                bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+              }
+              var newData = [
+                  func,
+                  bitmask,
+                  thisArg,
+                  newPartials,
+                  newsHolders,
+                  newPartialsRight,
+                  newHoldersRight,
+                  newArgPos,
+                  ary,
+                  newArity
+                ], result = createHybridWrapper.apply(undefined, newData);
+              if (isLaziable(func)) {
+                setData(result, newData);
+              }
+              result.placeholder = placeholder;
+              return result;
+            }
+          }
+          var thisBinding = isBind ? thisArg : this, fn = isBindKey ? thisBinding[func] : func;
+          if (argPos) {
+            args = reorder(args, argPos);
+          }
+          if (isAry && ary < args.length) {
+            args.length = ary;
+          }
+          if (this && this !== root && this instanceof wrapper) {
+            fn = Ctor || createCtorWrapper(func);
+          }
+          return fn.apply(thisBinding, args);
+        }
+        return wrapper;
+      }
+      /**
+     * Creates the padding required for `string` based on the given `length`.
+     * The `chars` string is truncated if the number of characters exceeds `length`.
+     *
+     * @private
+     * @param {string} string The string to create padding for.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the pad for `string`.
+     */
+      function createPadding(string, length, chars) {
+        var strLength = string.length;
+        length = +length;
+        if (strLength >= length || !nativeIsFinite(length)) {
+          return '';
+        }
+        var padLength = length - strLength;
+        chars = chars == null ? ' ' : chars + '';
+        return repeat(chars, nativeCeil(padLength / chars.length)).slice(0, padLength);
+      }
+      /**
+     * Creates a function that wraps `func` and invokes it with the optional `this`
+     * binding of `thisArg` and the `partials` prepended to those provided to
+     * the wrapper.
+     *
+     * @private
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {Array} partials The arguments to prepend to those provided to the new function.
+     * @returns {Function} Returns the new bound function.
+     */
+      function createPartialWrapper(func, bitmask, thisArg, partials) {
+        var isBind = bitmask & BIND_FLAG, Ctor = createCtorWrapper(func);
+        function wrapper() {
+          // Avoid `arguments` object use disqualifying optimizations by
+          // converting it to an array before providing it `func`.
+          var argsIndex = -1, argsLength = arguments.length, leftIndex = -1, leftLength = partials.length, args = Array(leftLength + argsLength);
+          while (++leftIndex < leftLength) {
+            args[leftIndex] = partials[leftIndex];
+          }
+          while (argsLength--) {
+            args[leftIndex++] = arguments[++argsIndex];
+          }
+          var fn = this && this !== root && this instanceof wrapper ? Ctor : func;
+          return fn.apply(isBind ? thisArg : this, args);
+        }
+        return wrapper;
+      }
+      /**
+     * Creates a `_.ceil`, `_.floor`, or `_.round` function.
+     *
+     * @private
+     * @param {string} methodName The name of the `Math` method to use when rounding.
+     * @returns {Function} Returns the new round function.
+     */
+      function createRound(methodName) {
+        var func = Math[methodName];
+        return function (number, precision) {
+          precision = precision === undefined ? 0 : +precision || 0;
+          if (precision) {
+            precision = pow(10, precision);
+            return func(number * precision) / precision;
+          }
+          return func(number);
+        };
+      }
+      /**
+     * Creates a `_.sortedIndex` or `_.sortedLastIndex` function.
+     *
+     * @private
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {Function} Returns the new index function.
+     */
+      function createSortedIndex(retHighest) {
+        return function (array, value, iteratee, thisArg) {
+          var callback = getCallback(iteratee);
+          return iteratee == null && callback === baseCallback ? binaryIndex(array, value, retHighest) : binaryIndexBy(array, value, callback(iteratee, thisArg, 1), retHighest);
+        };
+      }
+      /**
+     * Creates a function that either curries or invokes `func` with optional
+     * `this` binding and partially applied arguments.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to reference.
+     * @param {number} bitmask The bitmask of flags.
+     *  The bitmask may be composed of the following flags:
+     *     1 - `_.bind`
+     *     2 - `_.bindKey`
+     *     4 - `_.curry` or `_.curryRight` of a bound function
+     *     8 - `_.curry`
+     *    16 - `_.curryRight`
+     *    32 - `_.partial`
+     *    64 - `_.partialRight`
+     *   128 - `_.rearg`
+     *   256 - `_.ary`
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to be partially applied.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+      function createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+        var isBindKey = bitmask & BIND_KEY_FLAG;
+        if (!isBindKey && typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        var length = partials ? partials.length : 0;
+        if (!length) {
+          bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);
+          partials = holders = undefined;
+        }
+        length -= holders ? holders.length : 0;
+        if (bitmask & PARTIAL_RIGHT_FLAG) {
+          var partialsRight = partials, holdersRight = holders;
+          partials = holders = undefined;
+        }
+        var data = isBindKey ? undefined : getData(func), newData = [
+            func,
+            bitmask,
+            thisArg,
+            partials,
+            holders,
+            partialsRight,
+            holdersRight,
+            argPos,
+            ary,
+            arity
+          ];
+        if (data) {
+          mergeData(newData, data);
+          bitmask = newData[1];
+          arity = newData[9];
+        }
+        newData[9] = arity == null ? isBindKey ? 0 : func.length : nativeMax(arity - length, 0) || 0;
+        if (bitmask == BIND_FLAG) {
+          var result = createBindWrapper(newData[0], newData[2]);
+        } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !newData[4].length) {
+          result = createPartialWrapper.apply(undefined, newData);
+        } else {
+          result = createHybridWrapper.apply(undefined, newData);
+        }
+        var setter = data ? baseSetData : setData;
+        return setter(result, newData);
+      }
+      /**
+     * A specialized version of `baseIsEqualDeep` for arrays with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Array} array The array to compare.
+     * @param {Array} other The other array to compare.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Function} [customizer] The function to customize comparing arrays.
+     * @param {boolean} [isLoose] Specify performing partial comparisons.
+     * @param {Array} [stackA] Tracks traversed `value` objects.
+     * @param {Array} [stackB] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+     */
+      function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
+        var index = -1, arrLength = array.length, othLength = other.length;
+        if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
+          return false;
+        }
+        // Ignore non-index properties.
+        while (++index < arrLength) {
+          var arrValue = array[index], othValue = other[index], result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;
+          if (result !== undefined) {
+            if (result) {
+              continue;
+            }
+            return false;
+          }
+          // Recursively compare arrays (susceptible to call stack limits).
+          if (isLoose) {
+            if (!arraySome(other, function (othValue) {
+                return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
+              })) {
+              return false;
+            }
+          } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {
+            return false;
+          }
+        }
+        return true;
+      }
+      /**
+     * A specialized version of `baseIsEqualDeep` for comparing objects of
+     * the same `toStringTag`.
+     *
+     * **Note:** This function only supports comparing values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {string} tag The `toStringTag` of the objects to compare.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+      function equalByTag(object, other, tag) {
+        switch (tag) {
+        case boolTag:
+        case dateTag:
+          // Coerce dates and booleans to numbers, dates to milliseconds and booleans
+          // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.
+          return +object == +other;
+        case errorTag:
+          return object.name == other.name && object.message == other.message;
+        case numberTag:
+          // Treat `NaN` vs. `NaN` as equal.
+          return object != +object ? other != +other : object == +other;
+        case regexpTag:
+        case stringTag:
+          // Coerce regexes to strings and treat strings primitives and string
+          // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.
+          return object == other + '';
+        }
+        return false;
+      }
+      /**
+     * A specialized version of `baseIsEqualDeep` for objects with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Function} [customizer] The function to customize comparing values.
+     * @param {boolean} [isLoose] Specify performing partial comparisons.
+     * @param {Array} [stackA] Tracks traversed `value` objects.
+     * @param {Array} [stackB] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+      function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
+        var objProps = keys(object), objLength = objProps.length, othProps = keys(other), othLength = othProps.length;
+        if (objLength != othLength && !isLoose) {
+          return false;
+        }
+        var index = objLength;
+        while (index--) {
+          var key = objProps[index];
+          if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {
+            return false;
+          }
+        }
+        var skipCtor = isLoose;
+        while (++index < objLength) {
+          key = objProps[index];
+          var objValue = object[key], othValue = other[key], result = customizer ? customizer(isLoose ? othValue : objValue, isLoose ? objValue : othValue, key) : undefined;
+          // Recursively compare objects (susceptible to call stack limits).
+          if (!(result === undefined ? equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB) : result)) {
+            return false;
+          }
+          skipCtor || (skipCtor = key == 'constructor');
+        }
+        if (!skipCtor) {
+          var objCtor = object.constructor, othCtor = other.constructor;
+          // Non `Object` object instances with different constructors are not equal.
+          if (objCtor != othCtor && ('constructor' in object && 'constructor' in other) && !(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+            return false;
+          }
+        }
+        return true;
+      }
+      /**
+     * Gets the appropriate "callback" function. If the `_.callback` method is
+     * customized this function returns the custom method, otherwise it returns
+     * the `baseCallback` function. If arguments are provided the chosen function
+     * is invoked with them and its result is returned.
+     *
+     * @private
+     * @returns {Function} Returns the chosen function or its result.
+     */
+      function getCallback(func, thisArg, argCount) {
+        var result = lodash.callback || callback;
+        result = result === callback ? baseCallback : result;
+        return argCount ? result(func, thisArg, argCount) : result;
+      }
+      /**
+     * Gets metadata for `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {*} Returns the metadata for `func`.
+     */
+      var getData = !metaMap ? noop : function (func) {
+          return metaMap.get(func);
+        };
+      /**
+     * Gets the name of `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {string} Returns the function name.
+     */
+      function getFuncName(func) {
+        var result = func.name + '', array = realNames[result], length = array ? array.length : 0;
+        while (length--) {
+          var data = array[length], otherFunc = data.func;
+          if (otherFunc == null || otherFunc == func) {
+            return data.name;
+          }
+        }
+        return result;
+      }
+      /**
+     * Gets the appropriate "indexOf" function. If the `_.indexOf` method is
+     * customized this function returns the custom method, otherwise it returns
+     * the `baseIndexOf` function. If arguments are provided the chosen function
+     * is invoked with them and its result is returned.
+     *
+     * @private
+     * @returns {Function|number} Returns the chosen function or its result.
+     */
+      function getIndexOf(collection, target, fromIndex) {
+        var result = lodash.indexOf || indexOf;
+        result = result === indexOf ? baseIndexOf : result;
+        return collection ? result(collection, target, fromIndex) : result;
+      }
+      /**
+     * Gets the "length" property value of `object`.
+     *
+     * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
+     * that affects Safari on at least iOS 8.1-8.3 ARM64.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {*} Returns the "length" value.
+     */
+      var getLength = baseProperty('length');
+      /**
+     * Gets the propery names, values, and compare flags of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the match data of `object`.
+     */
+      function getMatchData(object) {
+        var result = pairs(object), length = result.length;
+        while (length--) {
+          result[length][2] = isStrictComparable(result[length][1]);
+        }
+        return result;
+      }
+      /**
+     * Gets the native function at `key` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the method to get.
+     * @returns {*} Returns the function if it's native, else `undefined`.
+     */
+      function getNative(object, key) {
+        var value = object == null ? undefined : object[key];
+        return isNative(value) ? value : undefined;
+      }
+      /**
+     * Gets the view, applying any `transforms` to the `start` and `end` positions.
+     *
+     * @private
+     * @param {number} start The start of the view.
+     * @param {number} end The end of the view.
+     * @param {Array} transforms The transformations to apply to the view.
+     * @returns {Object} Returns an object containing the `start` and `end`
+     *  positions of the view.
+     */
+      function getView(start, end, transforms) {
+        var index = -1, length = transforms.length;
+        while (++index < length) {
+          var data = transforms[index], size = data.size;
+          switch (data.type) {
+          case 'drop':
+            start += size;
+            break;
+          case 'dropRight':
+            end -= size;
+            break;
+          case 'take':
+            end = nativeMin(end, start + size);
+            break;
+          case 'takeRight':
+            start = nativeMax(start, end - size);
+            break;
+          }
+        }
+        return {
+          'start': start,
+          'end': end
+        };
+      }
+      /**
+     * Initializes an array clone.
+     *
+     * @private
+     * @param {Array} array The array to clone.
+     * @returns {Array} Returns the initialized clone.
+     */
+      function initCloneArray(array) {
+        var length = array.length, result = new array.constructor(length);
+        // Add array properties assigned by `RegExp#exec`.
+        if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+          result.index = array.index;
+          result.input = array.input;
+        }
+        return result;
+      }
+      /**
+     * Initializes an object clone.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+      function initCloneObject(object) {
+        var Ctor = object.constructor;
+        if (!(typeof Ctor == 'function' && Ctor instanceof Ctor)) {
+          Ctor = Object;
+        }
+        return new Ctor();
+      }
+      /**
+     * Initializes an object clone based on its `toStringTag`.
+     *
+     * **Note:** This function only supports cloning values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @param {string} tag The `toStringTag` of the object to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+      function initCloneByTag(object, tag, isDeep) {
+        var Ctor = object.constructor;
+        switch (tag) {
+        case arrayBufferTag:
+          return bufferClone(object);
+        case boolTag:
+        case dateTag:
+          return new Ctor(+object);
+        case float32Tag:
+        case float64Tag:
+        case int8Tag:
+        case int16Tag:
+        case int32Tag:
+        case uint8Tag:
+        case uint8ClampedTag:
+        case uint16Tag:
+        case uint32Tag:
+          var buffer = object.buffer;
+          return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);
+        case numberTag:
+        case stringTag:
+          return new Ctor(object);
+        case regexpTag:
+          var result = new Ctor(object.source, reFlags.exec(object));
+          result.lastIndex = object.lastIndex;
+        }
+        return result;
+      }
+      /**
+     * Invokes the method at `path` on `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {Array} args The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     */
+      function invokePath(object, path, args) {
+        if (object != null && !isKey(path, object)) {
+          path = toPath(path);
+          object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
+          path = last(path);
+        }
+        var func = object == null ? object : object[path];
+        return func == null ? undefined : func.apply(object, args);
+      }
+      /**
+     * Checks if `value` is array-like.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+     */
+      function isArrayLike(value) {
+        return value != null && isLength(getLength(value));
+      }
+      /**
+     * Checks if `value` is a valid array-like index.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+     */
+      function isIndex(value, length) {
+        value = typeof value == 'number' || reIsUint.test(value) ? +value : -1;
+        length = length == null ? MAX_SAFE_INTEGER : length;
+        return value > -1 && value % 1 == 0 && value < length;
+      }
+      /**
+     * Checks if the provided arguments are from an iteratee call.
+     *
+     * @private
+     * @param {*} value The potential iteratee value argument.
+     * @param {*} index The potential iteratee index or key argument.
+     * @param {*} object The potential iteratee object argument.
+     * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
+     */
+      function isIterateeCall(value, index, object) {
+        if (!isObject(object)) {
+          return false;
+        }
+        var type = typeof index;
+        if (type == 'number' ? isArrayLike(object) && isIndex(index, object.length) : type == 'string' && index in object) {
+          var other = object[index];
+          return value === value ? value === other : other !== other;
+        }
+        return false;
+      }
+      /**
+     * Checks if `value` is a property name and not a property path.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+     */
+      function isKey(value, object) {
+        var type = typeof value;
+        if (type == 'string' && reIsPlainProp.test(value) || type == 'number') {
+          return true;
+        }
+        if (isArray(value)) {
+          return false;
+        }
+        var result = !reIsDeepProp.test(value);
+        return result || object != null && value in toObject(object);
+      }
+      /**
+     * Checks if `func` has a lazy counterpart.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` has a lazy counterpart, else `false`.
+     */
+      function isLaziable(func) {
+        var funcName = getFuncName(func), other = lodash[funcName];
+        if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+          return false;
+        }
+        if (func === other) {
+          return true;
+        }
+        var data = getData(other);
+        return !!data && func === data[0];
+      }
+      /**
+     * Checks if `value` is a valid array-like length.
+     *
+     * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+     */
+      function isLength(value) {
+        return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+      }
+      /**
+     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` if suitable for strict
+     *  equality comparisons, else `false`.
+     */
+      function isStrictComparable(value) {
+        return value === value && !isObject(value);
+      }
+      /**
+     * Merges the function metadata of `source` into `data`.
+     *
+     * Merging metadata reduces the number of wrappers required to invoke a function.
+     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+     * may be applied regardless of execution order. Methods like `_.ary` and `_.rearg`
+     * augment function arguments, making the order in which they are executed important,
+     * preventing the merging of metadata. However, we make an exception for a safe
+     * common case where curried functions have `_.ary` and or `_.rearg` applied.
+     *
+     * @private
+     * @param {Array} data The destination metadata.
+     * @param {Array} source The source metadata.
+     * @returns {Array} Returns `data`.
+     */
+      function mergeData(data, source) {
+        var bitmask = data[1], srcBitmask = source[1], newBitmask = bitmask | srcBitmask, isCommon = newBitmask < ARY_FLAG;
+        var isCombo = srcBitmask == ARY_FLAG && bitmask == CURRY_FLAG || srcBitmask == ARY_FLAG && bitmask == REARG_FLAG && data[7].length <= source[8] || srcBitmask == (ARY_FLAG | REARG_FLAG) && bitmask == CURRY_FLAG;
+        // Exit early if metadata can't be merged.
+        if (!(isCommon || isCombo)) {
+          return data;
+        }
+        // Use source `thisArg` if available.
+        if (srcBitmask & BIND_FLAG) {
+          data[2] = source[2];
+          // Set when currying a bound function.
+          newBitmask |= bitmask & BIND_FLAG ? 0 : CURRY_BOUND_FLAG;
+        }
+        // Compose partial arguments.
+        var value = source[3];
+        if (value) {
+          var partials = data[3];
+          data[3] = partials ? composeArgs(partials, value, source[4]) : arrayCopy(value);
+          data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : arrayCopy(source[4]);
+        }
+        // Compose partial right arguments.
+        value = source[5];
+        if (value) {
+          partials = data[5];
+          data[5] = partials ? composeArgsRight(partials, value, source[6]) : arrayCopy(value);
+          data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : arrayCopy(source[6]);
+        }
+        // Use source `argPos` if available.
+        value = source[7];
+        if (value) {
+          data[7] = arrayCopy(value);
+        }
+        // Use source `ary` if it's smaller.
+        if (srcBitmask & ARY_FLAG) {
+          data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+        }
+        // Use source `arity` if one is not provided.
+        if (data[9] == null) {
+          data[9] = source[9];
+        }
+        // Use source `func` and merge bitmasks.
+        data[0] = source[0];
+        data[1] = newBitmask;
+        return data;
+      }
+      /**
+     * Used by `_.defaultsDeep` to customize its `_.merge` use.
+     *
+     * @private
+     * @param {*} objectValue The destination object property value.
+     * @param {*} sourceValue The source object property value.
+     * @returns {*} Returns the value to assign to the destination object.
+     */
+      function mergeDefaults(objectValue, sourceValue) {
+        return objectValue === undefined ? sourceValue : merge(objectValue, sourceValue, mergeDefaults);
+      }
+      /**
+     * A specialized version of `_.pick` which picks `object` properties specified
+     * by `props`.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} props The property names to pick.
+     * @returns {Object} Returns the new object.
+     */
+      function pickByArray(object, props) {
+        object = toObject(object);
+        var index = -1, length = props.length, result = {};
+        while (++index < length) {
+          var key = props[index];
+          if (key in object) {
+            result[key] = object[key];
+          }
+        }
+        return result;
+      }
+      /**
+     * A specialized version of `_.pick` which picks `object` properties `predicate`
+     * returns truthy for.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Object} Returns the new object.
+     */
+      function pickByCallback(object, predicate) {
+        var result = {};
+        baseForIn(object, function (value, key, object) {
+          if (predicate(value, key, object)) {
+            result[key] = value;
+          }
+        });
+        return result;
+      }
+      /**
+     * Reorder `array` according to the specified indexes where the element at
+     * the first index is assigned as the first element, the element at
+     * the second index is assigned as the second element, and so on.
+     *
+     * @private
+     * @param {Array} array The array to reorder.
+     * @param {Array} indexes The arranged array indexes.
+     * @returns {Array} Returns `array`.
+     */
+      function reorder(array, indexes) {
+        var arrLength = array.length, length = nativeMin(indexes.length, arrLength), oldArray = arrayCopy(array);
+        while (length--) {
+          var index = indexes[length];
+          array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+        }
+        return array;
+      }
+      /**
+     * Sets metadata for `func`.
+     *
+     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+     * period of time, it will trip its breaker and transition to an identity function
+     * to avoid garbage collection pauses in V8. See [V8 issue 2070](https://code.google.com/p/v8/issues/detail?id=2070)
+     * for more details.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+      var setData = function () {
+          var count = 0, lastCalled = 0;
+          return function (key, value) {
+            var stamp = now(), remaining = HOT_SPAN - (stamp - lastCalled);
+            lastCalled = stamp;
+            if (remaining > 0) {
+              if (++count >= HOT_COUNT) {
+                return key;
+              }
+            } else {
+              count = 0;
+            }
+            return baseSetData(key, value);
+          };
+        }();
+      /**
+     * A fallback implementation of `Object.keys` which creates an array of the
+     * own enumerable property names of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+      function shimKeys(object) {
+        var props = keysIn(object), propsLength = props.length, length = propsLength && object.length;
+        var allowIndexes = !!length && isLength(length) && (isArray(object) || isArguments(object));
+        var index = -1, result = [];
+        while (++index < propsLength) {
+          var key = props[index];
+          if (allowIndexes && isIndex(key, length) || hasOwnProperty.call(object, key)) {
+            result.push(key);
+          }
+        }
+        return result;
+      }
+      /**
+     * Converts `value` to an array-like object if it's not one.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {Array|Object} Returns the array-like object.
+     */
+      function toIterable(value) {
+        if (value == null) {
+          return [];
+        }
+        if (!isArrayLike(value)) {
+          return values(value);
+        }
+        return isObject(value) ? value : Object(value);
+      }
+      /**
+     * Converts `value` to an object if it's not one.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {Object} Returns the object.
+     */
+      function toObject(value) {
+        return isObject(value) ? value : Object(value);
+      }
+      /**
+     * Converts `value` to property path array if it's not one.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {Array} Returns the property path array.
+     */
+      function toPath(value) {
+        if (isArray(value)) {
+          return value;
+        }
+        var result = [];
+        baseToString(value).replace(rePropName, function (match, number, quote, string) {
+          result.push(quote ? string.replace(reEscapeChar, '$1') : number || match);
+        });
+        return result;
+      }
+      /**
+     * Creates a clone of `wrapper`.
+     *
+     * @private
+     * @param {Object} wrapper The wrapper to clone.
+     * @returns {Object} Returns the cloned wrapper.
+     */
+      function wrapperClone(wrapper) {
+        return wrapper instanceof LazyWrapper ? wrapper.clone() : new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__, arrayCopy(wrapper.__actions__));
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates an array of elements split into groups the length of `size`.
+     * If `collection` can't be split evenly, the final chunk will be the remaining
+     * elements.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to process.
+     * @param {number} [size=1] The length of each chunk.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the new array containing chunks.
+     * @example
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 2);
+     * // => [['a', 'b'], ['c', 'd']]
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 3);
+     * // => [['a', 'b', 'c'], ['d']]
+     */
+      function chunk(array, size, guard) {
+        if (guard ? isIterateeCall(array, size, guard) : size == null) {
+          size = 1;
+        } else {
+          size = nativeMax(nativeFloor(size) || 1, 1);
+        }
+        var index = 0, length = array ? array.length : 0, resIndex = -1, result = Array(nativeCeil(length / size));
+        while (index < length) {
+          result[++resIndex] = baseSlice(array, index, index += size);
+        }
+        return result;
+      }
+      /**
+     * Creates an array with all falsey values removed. The values `false`, `null`,
+     * `0`, `""`, `undefined`, and `NaN` are falsey.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to compact.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.compact([0, 1, false, 2, '', 3]);
+     * // => [1, 2, 3]
+     */
+      function compact(array) {
+        var index = -1, length = array ? array.length : 0, resIndex = -1, result = [];
+        while (++index < length) {
+          var value = array[index];
+          if (value) {
+            result[++resIndex] = value;
+          }
+        }
+        return result;
+      }
+      /**
+     * Creates an array of unique `array` values not included in the other
+     * provided arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The arrays of values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.difference([1, 2, 3], [4, 2]);
+     * // => [1, 3]
+     */
+      var difference = restParam(function (array, values) {
+          return isObjectLike(array) && isArrayLike(array) ? baseDifference(array, baseFlatten(values, false, true)) : [];
+        });
+      /**
+     * Creates a slice of `array` with `n` elements dropped from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.drop([1, 2, 3]);
+     * // => [2, 3]
+     *
+     * _.drop([1, 2, 3], 2);
+     * // => [3]
+     *
+     * _.drop([1, 2, 3], 5);
+     * // => []
+     *
+     * _.drop([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+      function drop(array, n, guard) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (guard ? isIterateeCall(array, n, guard) : n == null) {
+          n = 1;
+        }
+        return baseSlice(array, n < 0 ? 0 : n);
+      }
+      /**
+     * Creates a slice of `array` with `n` elements dropped from the end.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropRight([1, 2, 3]);
+     * // => [1, 2]
+     *
+     * _.dropRight([1, 2, 3], 2);
+     * // => [1]
+     *
+     * _.dropRight([1, 2, 3], 5);
+     * // => []
+     *
+     * _.dropRight([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+      function dropRight(array, n, guard) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (guard ? isIterateeCall(array, n, guard) : n == null) {
+          n = 1;
+        }
+        n = length - (+n || 0);
+        return baseSlice(array, 0, n < 0 ? 0 : n);
+      }
+      /**
+     * Creates a slice of `array` excluding elements dropped from the end.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * bound to `thisArg` and invoked with three arguments: (value, index, array).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that match the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropRightWhile([1, 2, 3], function(n) {
+     *   return n > 1;
+     * });
+     * // => [1]
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.dropRightWhile(users, { 'user': 'pebbles', 'active': false }), 'user');
+     * // => ['barney', 'fred']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.dropRightWhile(users, 'active', false), 'user');
+     * // => ['barney']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.dropRightWhile(users, 'active'), 'user');
+     * // => ['barney', 'fred', 'pebbles']
+     */
+      function dropRightWhile(array, predicate, thisArg) {
+        return array && array.length ? baseWhile(array, getCallback(predicate, thisArg, 3), true, true) : [];
+      }
+      /**
+     * Creates a slice of `array` excluding elements dropped from the beginning.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * bound to `thisArg` and invoked with three arguments: (value, index, array).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropWhile([1, 2, 3], function(n) {
+     *   return n < 3;
+     * });
+     * // => [3]
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.dropWhile(users, { 'user': 'barney', 'active': false }), 'user');
+     * // => ['fred', 'pebbles']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.dropWhile(users, 'active', false), 'user');
+     * // => ['pebbles']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.dropWhile(users, 'active'), 'user');
+     * // => ['barney', 'fred', 'pebbles']
+     */
+      function dropWhile(array, predicate, thisArg) {
+        return array && array.length ? baseWhile(array, getCallback(predicate, thisArg, 3), true) : [];
+      }
+      /**
+     * Fills elements of `array` with `value` from `start` up to, but not
+     * including, `end`.
+     *
+     * **Note:** This method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.fill(array, 'a');
+     * console.log(array);
+     * // => ['a', 'a', 'a']
+     *
+     * _.fill(Array(3), 2);
+     * // => [2, 2, 2]
+     *
+     * _.fill([4, 6, 8], '*', 1, 2);
+     * // => [4, '*', 8]
+     */
+      function fill(array, value, start, end) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+          start = 0;
+          end = length;
+        }
+        return baseFill(array, value, start, end);
+      }
+      /**
+     * This method is like `_.find` except that it returns the index of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.findIndex(users, function(chr) {
+     *   return chr.user == 'barney';
+     * });
+     * // => 0
+     *
+     * // using the `_.matches` callback shorthand
+     * _.findIndex(users, { 'user': 'fred', 'active': false });
+     * // => 1
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.findIndex(users, 'active', false);
+     * // => 0
+     *
+     * // using the `_.property` callback shorthand
+     * _.findIndex(users, 'active');
+     * // => 2
+     */
+      var findIndex = createFindIndex();
+      /**
+     * This method is like `_.findIndex` except that it iterates over elements
+     * of `collection` from right to left.
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.findLastIndex(users, function(chr) {
+     *   return chr.user == 'pebbles';
+     * });
+     * // => 2
+     *
+     * // using the `_.matches` callback shorthand
+     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+     * // => 0
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.findLastIndex(users, 'active', false);
+     * // => 2
+     *
+     * // using the `_.property` callback shorthand
+     * _.findLastIndex(users, 'active');
+     * // => 0
+     */
+      var findLastIndex = createFindIndex(true);
+      /**
+     * Gets the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @alias head
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the first element of `array`.
+     * @example
+     *
+     * _.first([1, 2, 3]);
+     * // => 1
+     *
+     * _.first([]);
+     * // => undefined
+     */
+      function first(array) {
+        return array ? array[0] : undefined;
+      }
+      /**
+     * Flattens a nested array. If `isDeep` is `true` the array is recursively
+     * flattened, otherwise it's only flattened a single level.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @param {boolean} [isDeep] Specify a deep flatten.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flatten([1, [2, 3, [4]]]);
+     * // => [1, 2, 3, [4]]
+     *
+     * // using `isDeep`
+     * _.flatten([1, [2, 3, [4]]], true);
+     * // => [1, 2, 3, 4]
+     */
+      function flatten(array, isDeep, guard) {
+        var length = array ? array.length : 0;
+        if (guard && isIterateeCall(array, isDeep, guard)) {
+          isDeep = false;
+        }
+        return length ? baseFlatten(array, isDeep) : [];
+      }
+      /**
+     * Recursively flattens a nested array.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to recursively flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flattenDeep([1, [2, 3, [4]]]);
+     * // => [1, 2, 3, 4]
+     */
+      function flattenDeep(array) {
+        var length = array ? array.length : 0;
+        return length ? baseFlatten(array, true) : [];
+      }
+      /**
+     * Gets the index at which the first occurrence of `value` is found in `array`
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons. If `fromIndex` is negative, it's used as the offset
+     * from the end of `array`. If `array` is sorted providing `true` for `fromIndex`
+     * performs a faster binary search.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to search.
+     * @param {*} value The value to search for.
+     * @param {boolean|number} [fromIndex=0] The index to search from or `true`
+     *  to perform a binary search on a sorted array.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.indexOf([1, 2, 1, 2], 2);
+     * // => 1
+     *
+     * // using `fromIndex`
+     * _.indexOf([1, 2, 1, 2], 2, 2);
+     * // => 3
+     *
+     * // performing a binary search
+     * _.indexOf([1, 1, 2, 2], 2, true);
+     * // => 2
+     */
+      function indexOf(array, value, fromIndex) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return -1;
+        }
+        if (typeof fromIndex == 'number') {
+          fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;
+        } else if (fromIndex) {
+          var index = binaryIndex(array, value);
+          if (index < length && (value === value ? value === array[index] : array[index] !== array[index])) {
+            return index;
+          }
+          return -1;
+        }
+        return baseIndexOf(array, value, fromIndex || 0);
+      }
+      /**
+     * Gets all but the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.initial([1, 2, 3]);
+     * // => [1, 2]
+     */
+      function initial(array) {
+        return dropRight(array, 1);
+      }
+      /**
+     * Creates an array of unique values that are included in all of the provided
+     * arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of shared values.
+     * @example
+     * _.intersection([1, 2], [4, 2], [2, 1]);
+     * // => [2]
+     */
+      var intersection = restParam(function (arrays) {
+          var othLength = arrays.length, othIndex = othLength, caches = Array(length), indexOf = getIndexOf(), isCommon = indexOf === baseIndexOf, result = [];
+          while (othIndex--) {
+            var value = arrays[othIndex] = isArrayLike(value = arrays[othIndex]) ? value : [];
+            caches[othIndex] = isCommon && value.length >= 120 ? createCache(othIndex && value) : null;
+          }
+          var array = arrays[0], index = -1, length = array ? array.length : 0, seen = caches[0];
+          outer:
+            while (++index < length) {
+              value = array[index];
+              if ((seen ? cacheIndexOf(seen, value) : indexOf(result, value, 0)) < 0) {
+                var othIndex = othLength;
+                while (--othIndex) {
+                  var cache = caches[othIndex];
+                  if ((cache ? cacheIndexOf(cache, value) : indexOf(arrays[othIndex], value, 0)) < 0) {
+                    continue outer;
+                  }
+                }
+                if (seen) {
+                  seen.push(value);
+                }
+                result.push(value);
+              }
+            }
+          return result;
+        });
+      /**
+     * Gets the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the last element of `array`.
+     * @example
+     *
+     * _.last([1, 2, 3]);
+     * // => 3
+     */
+      function last(array) {
+        var length = array ? array.length : 0;
+        return length ? array[length - 1] : undefined;
+      }
+      /**
+     * This method is like `_.indexOf` except that it iterates over elements of
+     * `array` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to search.
+     * @param {*} value The value to search for.
+     * @param {boolean|number} [fromIndex=array.length-1] The index to search from
+     *  or `true` to perform a binary search on a sorted array.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.lastIndexOf([1, 2, 1, 2], 2);
+     * // => 3
+     *
+     * // using `fromIndex`
+     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+     * // => 1
+     *
+     * // performing a binary search
+     * _.lastIndexOf([1, 1, 2, 2], 2, true);
+     * // => 3
+     */
+      function lastIndexOf(array, value, fromIndex) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return -1;
+        }
+        var index = length;
+        if (typeof fromIndex == 'number') {
+          index = (fromIndex < 0 ? nativeMax(length + fromIndex, 0) : nativeMin(fromIndex || 0, length - 1)) + 1;
+        } else if (fromIndex) {
+          index = binaryIndex(array, value, true) - 1;
+          var other = array[index];
+          if (value === value ? value === other : other !== other) {
+            return index;
+          }
+          return -1;
+        }
+        if (value !== value) {
+          return indexOfNaN(array, index, true);
+        }
+        while (index--) {
+          if (array[index] === value) {
+            return index;
+          }
+        }
+        return -1;
+      }
+      /**
+     * Removes all provided values from `array` using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.without`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...*} [values] The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3, 1, 2, 3];
+     *
+     * _.pull(array, 2, 3);
+     * console.log(array);
+     * // => [1, 1]
+     */
+      function pull() {
+        var args = arguments, array = args[0];
+        if (!(array && array.length)) {
+          return array;
+        }
+        var index = 0, indexOf = getIndexOf(), length = args.length;
+        while (++index < length) {
+          var fromIndex = 0, value = args[index];
+          while ((fromIndex = indexOf(array, value, fromIndex)) > -1) {
+            splice.call(array, fromIndex, 1);
+          }
+        }
+        return array;
+      }
+      /**
+     * Removes elements from `array` corresponding to the given indexes and returns
+     * an array of the removed elements. Indexes may be specified as an array of
+     * indexes or as individual arguments.
+     *
+     * **Note:** Unlike `_.at`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...(number|number[])} [indexes] The indexes of elements to remove,
+     *  specified as individual indexes or arrays of indexes.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = [5, 10, 15, 20];
+     * var evens = _.pullAt(array, 1, 3);
+     *
+     * console.log(array);
+     * // => [5, 15]
+     *
+     * console.log(evens);
+     * // => [10, 20]
+     */
+      var pullAt = restParam(function (array, indexes) {
+          indexes = baseFlatten(indexes);
+          var result = baseAt(array, indexes);
+          basePullAt(array, indexes.sort(baseCompareAscending));
+          return result;
+        });
+      /**
+     * Removes all elements from `array` that `predicate` returns truthy for
+     * and returns an array of the removed elements. The predicate is bound to
+     * `thisArg` and invoked with three arguments: (value, index, array).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * **Note:** Unlike `_.filter`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = [1, 2, 3, 4];
+     * var evens = _.remove(array, function(n) {
+     *   return n % 2 == 0;
+     * });
+     *
+     * console.log(array);
+     * // => [1, 3]
+     *
+     * console.log(evens);
+     * // => [2, 4]
+     */
+      function remove(array, predicate, thisArg) {
+        var result = [];
+        if (!(array && array.length)) {
+          return result;
+        }
+        var index = -1, indexes = [], length = array.length;
+        predicate = getCallback(predicate, thisArg, 3);
+        while (++index < length) {
+          var value = array[index];
+          if (predicate(value, index, array)) {
+            result.push(value);
+            indexes.push(index);
+          }
+        }
+        basePullAt(array, indexes);
+        return result;
+      }
+      /**
+     * Gets all but the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @alias tail
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.rest([1, 2, 3]);
+     * // => [2, 3]
+     */
+      function rest(array) {
+        return drop(array, 1);
+      }
+      /**
+     * Creates a slice of `array` from `start` up to, but not including, `end`.
+     *
+     * **Note:** This method is used instead of `Array#slice` to support node
+     * lists in IE < 9 and to ensure dense arrays are returned.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+      function slice(array, start, end) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+          start = 0;
+          end = length;
+        }
+        return baseSlice(array, start, end);
+      }
+      /**
+     * Uses a binary search to determine the lowest index at which `value` should
+     * be inserted into `array` in order to maintain its sort order. If an iteratee
+     * function is provided it's invoked for `value` and each element of `array`
+     * to compute their sort ranking. The iteratee is bound to `thisArg` and
+     * invoked with one argument; (value).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedIndex([30, 50], 40);
+     * // => 1
+     *
+     * _.sortedIndex([4, 4, 5, 5], 5);
+     * // => 2
+     *
+     * var dict = { 'data': { 'thirty': 30, 'forty': 40, 'fifty': 50 } };
+     *
+     * // using an iteratee function
+     * _.sortedIndex(['thirty', 'fifty'], 'forty', function(word) {
+     *   return this.data[word];
+     * }, dict);
+     * // => 1
+     *
+     * // using the `_.property` callback shorthand
+     * _.sortedIndex([{ 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x');
+     * // => 1
+     */
+      var sortedIndex = createSortedIndex();
+      /**
+     * This method is like `_.sortedIndex` except that it returns the highest
+     * index at which `value` should be inserted into `array` in order to
+     * maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedLastIndex([4, 4, 5, 5], 5);
+     * // => 4
+     */
+      var sortedLastIndex = createSortedIndex(true);
+      /**
+     * Creates a slice of `array` with `n` elements taken from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.take([1, 2, 3]);
+     * // => [1]
+     *
+     * _.take([1, 2, 3], 2);
+     * // => [1, 2]
+     *
+     * _.take([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.take([1, 2, 3], 0);
+     * // => []
+     */
+      function take(array, n, guard) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (guard ? isIterateeCall(array, n, guard) : n == null) {
+          n = 1;
+        }
+        return baseSlice(array, 0, n < 0 ? 0 : n);
+      }
+      /**
+     * Creates a slice of `array` with `n` elements taken from the end.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeRight([1, 2, 3]);
+     * // => [3]
+     *
+     * _.takeRight([1, 2, 3], 2);
+     * // => [2, 3]
+     *
+     * _.takeRight([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.takeRight([1, 2, 3], 0);
+     * // => []
+     */
+      function takeRight(array, n, guard) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (guard ? isIterateeCall(array, n, guard) : n == null) {
+          n = 1;
+        }
+        n = length - (+n || 0);
+        return baseSlice(array, n < 0 ? 0 : n);
+      }
+      /**
+     * Creates a slice of `array` with elements taken from the end. Elements are
+     * taken until `predicate` returns falsey. The predicate is bound to `thisArg`
+     * and invoked with three arguments: (value, index, array).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeRightWhile([1, 2, 3], function(n) {
+     *   return n > 1;
+     * });
+     * // => [2, 3]
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.takeRightWhile(users, { 'user': 'pebbles', 'active': false }), 'user');
+     * // => ['pebbles']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.takeRightWhile(users, 'active', false), 'user');
+     * // => ['fred', 'pebbles']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.takeRightWhile(users, 'active'), 'user');
+     * // => []
+     */
+      function takeRightWhile(array, predicate, thisArg) {
+        return array && array.length ? baseWhile(array, getCallback(predicate, thisArg, 3), false, true) : [];
+      }
+      /**
+     * Creates a slice of `array` with elements taken from the beginning. Elements
+     * are taken until `predicate` returns falsey. The predicate is bound to
+     * `thisArg` and invoked with three arguments: (value, index, array).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeWhile([1, 2, 3], function(n) {
+     *   return n < 3;
+     * });
+     * // => [1, 2]
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false},
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.takeWhile(users, { 'user': 'barney', 'active': false }), 'user');
+     * // => ['barney']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.takeWhile(users, 'active', false), 'user');
+     * // => ['barney', 'fred']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.takeWhile(users, 'active'), 'user');
+     * // => []
+     */
+      function takeWhile(array, predicate, thisArg) {
+        return array && array.length ? baseWhile(array, getCallback(predicate, thisArg, 3)) : [];
+      }
+      /**
+     * Creates an array of unique values, in order, from all of the provided arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.union([1, 2], [4, 2], [2, 1]);
+     * // => [1, 2, 4]
+     */
+      var union = restParam(function (arrays) {
+          return baseUniq(baseFlatten(arrays, false, true));
+        });
+      /**
+     * Creates a duplicate-free version of an array, using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons, in which only the first occurence of each element
+     * is kept. Providing `true` for `isSorted` performs a faster search algorithm
+     * for sorted arrays. If an iteratee function is provided it's invoked for
+     * each element in the array to generate the criterion by which uniqueness
+     * is computed. The `iteratee` is bound to `thisArg` and invoked with three
+     * arguments: (value, index, array).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias unique
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {boolean} [isSorted] Specify the array is sorted.
+     * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the new duplicate-value-free array.
+     * @example
+     *
+     * _.uniq([2, 1, 2]);
+     * // => [2, 1]
+     *
+     * // using `isSorted`
+     * _.uniq([1, 1, 2], true);
+     * // => [1, 2]
+     *
+     * // using an iteratee function
+     * _.uniq([1, 2.5, 1.5, 2], function(n) {
+     *   return this.floor(n);
+     * }, Math);
+     * // => [1, 2.5]
+     *
+     * // using the `_.property` callback shorthand
+     * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+      function uniq(array, isSorted, iteratee, thisArg) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        if (isSorted != null && typeof isSorted != 'boolean') {
+          thisArg = iteratee;
+          iteratee = isIterateeCall(array, isSorted, thisArg) ? undefined : isSorted;
+          isSorted = false;
+        }
+        var callback = getCallback();
+        if (!(iteratee == null && callback === baseCallback)) {
+          iteratee = callback(iteratee, thisArg, 3);
+        }
+        return isSorted && getIndexOf() === baseIndexOf ? sortedUniq(array, iteratee) : baseUniq(array, iteratee);
+      }
+      /**
+     * This method is like `_.zip` except that it accepts an array of grouped
+     * elements and creates an array regrouping the elements to their pre-zip
+     * configuration.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip(['fred', 'barney'], [30, 40], [true, false]);
+     * // => [['fred', 30, true], ['barney', 40, false]]
+     *
+     * _.unzip(zipped);
+     * // => [['fred', 'barney'], [30, 40], [true, false]]
+     */
+      function unzip(array) {
+        if (!(array && array.length)) {
+          return [];
+        }
+        var index = -1, length = 0;
+        array = arrayFilter(array, function (group) {
+          if (isArrayLike(group)) {
+            length = nativeMax(group.length, length);
+            return true;
+          }
+        });
+        var result = Array(length);
+        while (++index < length) {
+          result[index] = arrayMap(array, baseProperty(index));
+        }
+        return result;
+      }
+      /**
+     * This method is like `_.unzip` except that it accepts an iteratee to specify
+     * how regrouped values should be combined. The `iteratee` is bound to `thisArg`
+     * and invoked with four arguments: (accumulator, value, index, group).
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @param {Function} [iteratee] The function to combine regrouped values.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+     * // => [[1, 10, 100], [2, 20, 200]]
+     *
+     * _.unzipWith(zipped, _.add);
+     * // => [3, 30, 300]
+     */
+      function unzipWith(array, iteratee, thisArg) {
+        var length = array ? array.length : 0;
+        if (!length) {
+          return [];
+        }
+        var result = unzip(array);
+        if (iteratee == null) {
+          return result;
+        }
+        iteratee = bindCallback(iteratee, thisArg, 4);
+        return arrayMap(result, function (group) {
+          return arrayReduce(group, iteratee, undefined, true);
+        });
+      }
+      /**
+     * Creates an array excluding all provided values using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {Array} array The array to filter.
+     * @param {...*} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.without([1, 2, 1, 3], 1, 2);
+     * // => [3]
+     */
+      var without = restParam(function (array, values) {
+          return isArrayLike(array) ? baseDifference(array, values) : [];
+        });
+      /**
+     * Creates an array of unique values that is the [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+     * of the provided arrays.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of values.
+     * @example
+     *
+     * _.xor([1, 2], [4, 2]);
+     * // => [1, 4]
+     */
+      function xor() {
+        var index = -1, length = arguments.length;
+        while (++index < length) {
+          var array = arguments[index];
+          if (isArrayLike(array)) {
+            var result = result ? arrayPush(baseDifference(result, array), baseDifference(array, result)) : array;
+          }
+        }
+        return result ? baseUniq(result) : [];
+      }
+      /**
+     * Creates an array of grouped elements, the first of which contains the first
+     * elements of the given arrays, the second of which contains the second elements
+     * of the given arrays, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zip(['fred', 'barney'], [30, 40], [true, false]);
+     * // => [['fred', 30, true], ['barney', 40, false]]
+     */
+      var zip = restParam(unzip);
+      /**
+     * The inverse of `_.pairs`; this method returns an object composed from arrays
+     * of property names and values. Provide either a single two dimensional array,
+     * e.g. `[[key1, value1], [key2, value2]]` or two arrays, one of property names
+     * and one of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @alias object
+     * @category Array
+     * @param {Array} props The property names.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObject([['fred', 30], ['barney', 40]]);
+     * // => { 'fred': 30, 'barney': 40 }
+     *
+     * _.zipObject(['fred', 'barney'], [30, 40]);
+     * // => { 'fred': 30, 'barney': 40 }
+     */
+      function zipObject(props, values) {
+        var index = -1, length = props ? props.length : 0, result = {};
+        if (length && !values && !isArray(props[0])) {
+          values = [];
+        }
+        while (++index < length) {
+          var key = props[index];
+          if (values) {
+            result[key] = values[index];
+          } else if (key) {
+            result[key[0]] = key[1];
+          }
+        }
+        return result;
+      }
+      /**
+     * This method is like `_.zip` except that it accepts an iteratee to specify
+     * how grouped values should be combined. The `iteratee` is bound to `thisArg`
+     * and invoked with four arguments: (accumulator, value, index, group).
+     *
+     * @static
+     * @memberOf _
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @param {Function} [iteratee] The function to combine grouped values.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zipWith([1, 2], [10, 20], [100, 200], _.add);
+     * // => [111, 222]
+     */
+      var zipWith = restParam(function (arrays) {
+          var length = arrays.length, iteratee = length > 2 ? arrays[length - 2] : undefined, thisArg = length > 1 ? arrays[length - 1] : undefined;
+          if (length > 2 && typeof iteratee == 'function') {
+            length -= 2;
+          } else {
+            iteratee = length > 1 && typeof thisArg == 'function' ? (--length, thisArg) : undefined;
+            thisArg = undefined;
+          }
+          arrays.length = length;
+          return unzipWith(arrays, iteratee, thisArg);
+        });
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a `lodash` object that wraps `value` with explicit method
+     * chaining enabled.
+     *
+     * @static
+     * @memberOf _
+     * @category Chain
+     * @param {*} value The value to wrap.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36 },
+     *   { 'user': 'fred',    'age': 40 },
+     *   { 'user': 'pebbles', 'age': 1 }
+     * ];
+     *
+     * var youngest = _.chain(users)
+     *   .sortBy('age')
+     *   .map(function(chr) {
+     *     return chr.user + ' is ' + chr.age;
+     *   })
+     *   .first()
+     *   .value();
+     * // => 'pebbles is 1'
+     */
+      function chain(value) {
+        var result = lodash(value);
+        result.__chain__ = true;
+        return result;
+      }
+      /**
+     * This method invokes `interceptor` and returns `value`. The interceptor is
+     * bound to `thisArg` and invoked with one argument; (value). The purpose of
+     * this method is to "tap into" a method chain in order to perform operations
+     * on intermediate results within the chain.
+     *
+     * @static
+     * @memberOf _
+     * @category Chain
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @param {*} [thisArg] The `this` binding of `interceptor`.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * _([1, 2, 3])
+     *  .tap(function(array) {
+     *    array.pop();
+     *  })
+     *  .reverse()
+     *  .value();
+     * // => [2, 1]
+     */
+      function tap(value, interceptor, thisArg) {
+        interceptor.call(thisArg, value);
+        return value;
+      }
+      /**
+     * This method is like `_.tap` except that it returns the result of `interceptor`.
+     *
+     * @static
+     * @memberOf _
+     * @category Chain
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @param {*} [thisArg] The `this` binding of `interceptor`.
+     * @returns {*} Returns the result of `interceptor`.
+     * @example
+     *
+     * _('  abc  ')
+     *  .chain()
+     *  .trim()
+     *  .thru(function(value) {
+     *    return [value];
+     *  })
+     *  .value();
+     * // => ['abc']
+     */
+      function thru(value, interceptor, thisArg) {
+        return interceptor.call(thisArg, value);
+      }
+      /**
+     * Enables explicit method chaining on the wrapper object.
+     *
+     * @name chain
+     * @memberOf _
+     * @category Chain
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * // without explicit chaining
+     * _(users).first();
+     * // => { 'user': 'barney', 'age': 36 }
+     *
+     * // with explicit chaining
+     * _(users).chain()
+     *   .first()
+     *   .pick('user')
+     *   .value();
+     * // => { 'user': 'barney' }
+     */
+      function wrapperChain() {
+        return chain(this);
+      }
+      /**
+     * Executes the chained sequence and returns the wrapped result.
+     *
+     * @name commit
+     * @memberOf _
+     * @category Chain
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2];
+     * var wrapped = _(array).push(3);
+     *
+     * console.log(array);
+     * // => [1, 2]
+     *
+     * wrapped = wrapped.commit();
+     * console.log(array);
+     * // => [1, 2, 3]
+     *
+     * wrapped.last();
+     * // => 3
+     *
+     * console.log(array);
+     * // => [1, 2, 3]
+     */
+      function wrapperCommit() {
+        return new LodashWrapper(this.value(), this.__chain__);
+      }
+      /**
+     * Creates a new array joining a wrapped array with any additional arrays
+     * and/or values.
+     *
+     * @name concat
+     * @memberOf _
+     * @category Chain
+     * @param {...*} [values] The values to concatenate.
+     * @returns {Array} Returns the new concatenated array.
+     * @example
+     *
+     * var array = [1];
+     * var wrapped = _(array).concat(2, [3], [[4]]);
+     *
+     * console.log(wrapped.value());
+     * // => [1, 2, 3, [4]]
+     *
+     * console.log(array);
+     * // => [1]
+     */
+      var wrapperConcat = restParam(function (values) {
+          values = baseFlatten(values);
+          return this.thru(function (array) {
+            return arrayConcat(isArray(array) ? array : [toObject(array)], values);
+          });
+        });
+      /**
+     * Creates a clone of the chained sequence planting `value` as the wrapped value.
+     *
+     * @name plant
+     * @memberOf _
+     * @category Chain
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2];
+     * var wrapped = _(array).map(function(value) {
+     *   return Math.pow(value, 2);
+     * });
+     *
+     * var other = [3, 4];
+     * var otherWrapped = wrapped.plant(other);
+     *
+     * otherWrapped.value();
+     * // => [9, 16]
+     *
+     * wrapped.value();
+     * // => [1, 4]
+     */
+      function wrapperPlant(value) {
+        var result, parent = this;
+        while (parent instanceof baseLodash) {
+          var clone = wrapperClone(parent);
+          if (result) {
+            previous.__wrapped__ = clone;
+          } else {
+            result = clone;
+          }
+          var previous = clone;
+          parent = parent.__wrapped__;
+        }
+        previous.__wrapped__ = value;
+        return result;
+      }
+      /**
+     * Reverses the wrapped array so the first element becomes the last, the
+     * second element becomes the second to last, and so on.
+     *
+     * **Note:** This method mutates the wrapped array.
+     *
+     * @name reverse
+     * @memberOf _
+     * @category Chain
+     * @returns {Object} Returns the new reversed `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _(array).reverse().value()
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+      function wrapperReverse() {
+        var value = this.__wrapped__;
+        var interceptor = function (value) {
+          return value.reverse();
+        };
+        if (value instanceof LazyWrapper) {
+          var wrapped = value;
+          if (this.__actions__.length) {
+            wrapped = new LazyWrapper(this);
+          }
+          wrapped = wrapped.reverse();
+          wrapped.__actions__.push({
+            'func': thru,
+            'args': [interceptor],
+            'thisArg': undefined
+          });
+          return new LodashWrapper(wrapped, this.__chain__);
+        }
+        return this.thru(interceptor);
+      }
+      /**
+     * Produces the result of coercing the unwrapped value to a string.
+     *
+     * @name toString
+     * @memberOf _
+     * @category Chain
+     * @returns {string} Returns the coerced string value.
+     * @example
+     *
+     * _([1, 2, 3]).toString();
+     * // => '1,2,3'
+     */
+      function wrapperToString() {
+        return this.value() + '';
+      }
+      /**
+     * Executes the chained sequence to extract the unwrapped value.
+     *
+     * @name value
+     * @memberOf _
+     * @alias run, toJSON, valueOf
+     * @category Chain
+     * @returns {*} Returns the resolved unwrapped value.
+     * @example
+     *
+     * _([1, 2, 3]).value();
+     * // => [1, 2, 3]
+     */
+      function wrapperValue() {
+        return baseWrapperValue(this.__wrapped__, this.__actions__);
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates an array of elements corresponding to the given keys, or indexes,
+     * of `collection`. Keys may be specified as individual arguments or as arrays
+     * of keys.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {...(number|number[]|string|string[])} [props] The property names
+     *  or indexes of elements to pick, specified individually or in arrays.
+     * @returns {Array} Returns the new array of picked elements.
+     * @example
+     *
+     * _.at(['a', 'b', 'c'], [0, 2]);
+     * // => ['a', 'c']
+     *
+     * _.at(['barney', 'fred', 'pebbles'], 0, 2);
+     * // => ['barney', 'pebbles']
+     */
+      var at = restParam(function (collection, props) {
+          return baseAt(collection, baseFlatten(props));
+        });
+      /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` through `iteratee`. The corresponding value
+     * of each key is the number of times the key was returned by `iteratee`.
+     * The `iteratee` is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.countBy([4.3, 6.1, 6.4], function(n) {
+     *   return Math.floor(n);
+     * });
+     * // => { '4': 1, '6': 2 }
+     *
+     * _.countBy([4.3, 6.1, 6.4], function(n) {
+     *   return this.floor(n);
+     * }, Math);
+     * // => { '4': 1, '6': 2 }
+     *
+     * _.countBy(['one', 'two', 'three'], 'length');
+     * // => { '3': 2, '5': 1 }
+     */
+      var countBy = createAggregator(function (result, value, key) {
+          hasOwnProperty.call(result, key) ? ++result[key] : result[key] = 1;
+        });
+      /**
+     * Checks if `predicate` returns truthy for **all** elements of `collection`.
+     * The predicate is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias all
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.every([true, 1, null, 'yes'], Boolean);
+     * // => false
+     *
+     * var users = [
+     *   { 'user': 'barney', 'active': false },
+     *   { 'user': 'fred',   'active': false }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.every(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.every(users, 'active', false);
+     * // => true
+     *
+     * // using the `_.property` callback shorthand
+     * _.every(users, 'active');
+     * // => false
+     */
+      function every(collection, predicate, thisArg) {
+        var func = isArray(collection) ? arrayEvery : baseEvery;
+        if (thisArg && isIterateeCall(collection, predicate, thisArg)) {
+          predicate = undefined;
+        }
+        if (typeof predicate != 'function' || thisArg !== undefined) {
+          predicate = getCallback(predicate, thisArg, 3);
+        }
+        return func(collection, predicate);
+      }
+      /**
+     * Iterates over elements of `collection`, returning an array of all elements
+     * `predicate` returns truthy for. The predicate is bound to `thisArg` and
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias select
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the new filtered array.
+     * @example
+     *
+     * _.filter([4, 5, 6], function(n) {
+     *   return n % 2 == 0;
+     * });
+     * // => [4, 6]
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.filter(users, { 'age': 36, 'active': true }), 'user');
+     * // => ['barney']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.filter(users, 'active', false), 'user');
+     * // => ['fred']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.filter(users, 'active'), 'user');
+     * // => ['barney']
+     */
+      function filter(collection, predicate, thisArg) {
+        var func = isArray(collection) ? arrayFilter : baseFilter;
+        predicate = getCallback(predicate, thisArg, 3);
+        return func(collection, predicate);
+      }
+      /**
+     * Iterates over elements of `collection`, returning the first element
+     * `predicate` returns truthy for. The predicate is bound to `thisArg` and
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias detect
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': true },
+     *   { 'user': 'fred',    'age': 40, 'active': false },
+     *   { 'user': 'pebbles', 'age': 1,  'active': true }
+     * ];
+     *
+     * _.result(_.find(users, function(chr) {
+     *   return chr.age < 40;
+     * }), 'user');
+     * // => 'barney'
+     *
+     * // using the `_.matches` callback shorthand
+     * _.result(_.find(users, { 'age': 1, 'active': true }), 'user');
+     * // => 'pebbles'
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.result(_.find(users, 'active', false), 'user');
+     * // => 'fred'
+     *
+     * // using the `_.property` callback shorthand
+     * _.result(_.find(users, 'active'), 'user');
+     * // => 'barney'
+     */
+      var find = createFind(baseEach);
+      /**
+     * This method is like `_.find` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * _.findLast([1, 2, 3, 4], function(n) {
+     *   return n % 2 == 1;
+     * });
+     * // => 3
+     */
+      var findLast = createFind(baseEachRight, true);
+      /**
+     * Performs a deep comparison between each element in `collection` and the
+     * source object, returning the first element that has equivalent property
+     * values.
+     *
+     * **Note:** This method supports comparing arrays, booleans, `Date` objects,
+     * numbers, `Object` objects, regexes, and strings. Objects are compared by
+     * their own, not inherited, enumerable properties. For comparing a single
+     * own or inherited property value see `_.matchesProperty`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Object} source The object of property values to match.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * _.result(_.findWhere(users, { 'age': 36, 'active': true }), 'user');
+     * // => 'barney'
+     *
+     * _.result(_.findWhere(users, { 'age': 40, 'active': false }), 'user');
+     * // => 'fred'
+     */
+      function findWhere(collection, source) {
+        return find(collection, baseMatches(source));
+      }
+      /**
+     * Iterates over elements of `collection` invoking `iteratee` for each element.
+     * The `iteratee` is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection). Iteratee functions may exit iteration early
+     * by explicitly returning `false`.
+     *
+     * **Note:** As with other "Collections" methods, objects with a "length" property
+     * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn`
+     * may be used for object iteration.
+     *
+     * @static
+     * @memberOf _
+     * @alias each
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array|Object|string} Returns `collection`.
+     * @example
+     *
+     * _([1, 2]).forEach(function(n) {
+     *   console.log(n);
+     * }).value();
+     * // => logs each value from left to right and returns the array
+     *
+     * _.forEach({ 'a': 1, 'b': 2 }, function(n, key) {
+     *   console.log(n, key);
+     * });
+     * // => logs each value-key pair and returns the object (iteration order is not guaranteed)
+     */
+      var forEach = createForEach(arrayEach, baseEach);
+      /**
+     * This method is like `_.forEach` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @alias eachRight
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array|Object|string} Returns `collection`.
+     * @example
+     *
+     * _([1, 2]).forEachRight(function(n) {
+     *   console.log(n);
+     * }).value();
+     * // => logs each value from right to left and returns the array
+     */
+      var forEachRight = createForEach(arrayEachRight, baseEachRight);
+      /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` through `iteratee`. The corresponding value
+     * of each key is an array of the elements responsible for generating the key.
+     * The `iteratee` is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.groupBy([4.2, 6.1, 6.4], function(n) {
+     *   return Math.floor(n);
+     * });
+     * // => { '4': [4.2], '6': [6.1, 6.4] }
+     *
+     * _.groupBy([4.2, 6.1, 6.4], function(n) {
+     *   return this.floor(n);
+     * }, Math);
+     * // => { '4': [4.2], '6': [6.1, 6.4] }
+     *
+     * // using the `_.property` callback shorthand
+     * _.groupBy(['one', 'two', 'three'], 'length');
+     * // => { '3': ['one', 'two'], '5': ['three'] }
+     */
+      var groupBy = createAggregator(function (result, value, key) {
+          if (hasOwnProperty.call(result, key)) {
+            result[key].push(value);
+          } else {
+            result[key] = [value];
+          }
+        });
+      /**
+     * Checks if `target` is in `collection` using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+     * for equality comparisons. If `fromIndex` is negative, it's used as the offset
+     * from the end of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @alias contains, include
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {*} target The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
+     * @returns {boolean} Returns `true` if a matching element is found, else `false`.
+     * @example
+     *
+     * _.includes([1, 2, 3], 1);
+     * // => true
+     *
+     * _.includes([1, 2, 3], 1, 2);
+     * // => false
+     *
+     * _.includes({ 'user': 'fred', 'age': 40 }, 'fred');
+     * // => true
+     *
+     * _.includes('pebbles', 'eb');
+     * // => true
+     */
+      function includes(collection, target, fromIndex, guard) {
+        var length = collection ? getLength(collection) : 0;
+        if (!isLength(length)) {
+          collection = values(collection);
+          length = collection.length;
+        }
+        if (typeof fromIndex != 'number' || guard && isIterateeCall(target, fromIndex, guard)) {
+          fromIndex = 0;
+        } else {
+          fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex || 0;
+        }
+        return typeof collection == 'string' || !isArray(collection) && isString(collection) ? fromIndex <= length && collection.indexOf(target, fromIndex) > -1 : !!length && getIndexOf(collection, target, fromIndex) > -1;
+      }
+      /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` through `iteratee`. The corresponding value
+     * of each key is the last element responsible for generating the key. The
+     * iteratee function is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * var keyData = [
+     *   { 'dir': 'left', 'code': 97 },
+     *   { 'dir': 'right', 'code': 100 }
+     * ];
+     *
+     * _.indexBy(keyData, 'dir');
+     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+     *
+     * _.indexBy(keyData, function(object) {
+     *   return String.fromCharCode(object.code);
+     * });
+     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+     *
+     * _.indexBy(keyData, function(object) {
+     *   return this.fromCharCode(object.code);
+     * }, String);
+     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+     */
+      var indexBy = createAggregator(function (result, value, key) {
+          result[key] = value;
+        });
+      /**
+     * Invokes the method at `path` of each element in `collection`, returning
+     * an array of the results of each invoked method. Any additional arguments
+     * are provided to each invoked method. If `methodName` is a function it's
+     * invoked for, and `this` bound to, each element in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Array|Function|string} path The path of the method to invoke or
+     *  the function invoked per iteration.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort');
+     * // => [[1, 5, 7], [1, 2, 3]]
+     *
+     * _.invoke([123, 456], String.prototype.split, '');
+     * // => [['1', '2', '3'], ['4', '5', '6']]
+     */
+      var invoke = restParam(function (collection, path, args) {
+          var index = -1, isFunc = typeof path == 'function', isProp = isKey(path), result = isArrayLike(collection) ? Array(collection.length) : [];
+          baseEach(collection, function (value) {
+            var func = isFunc ? path : isProp && value != null ? value[path] : undefined;
+            result[++index] = func ? func.apply(value, args) : invokePath(value, path, args);
+          });
+          return result;
+        });
+      /**
+     * Creates an array of values by running each element in `collection` through
+     * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+     *
+     * The guarded methods are:
+     * `ary`, `callback`, `chunk`, `clone`, `create`, `curry`, `curryRight`,
+     * `drop`, `dropRight`, `every`, `fill`, `flatten`, `invert`, `max`, `min`,
+     * `parseInt`, `slice`, `sortBy`, `take`, `takeRight`, `template`, `trim`,
+     * `trimLeft`, `trimRight`, `trunc`, `random`, `range`, `sample`, `some`,
+     * `sum`, `uniq`, and `words`
+     *
+     * @static
+     * @memberOf _
+     * @alias collect
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the new mapped array.
+     * @example
+     *
+     * function timesThree(n) {
+     *   return n * 3;
+     * }
+     *
+     * _.map([1, 2], timesThree);
+     * // => [3, 6]
+     *
+     * _.map({ 'a': 1, 'b': 2 }, timesThree);
+     * // => [3, 6] (iteration order is not guaranteed)
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * // using the `_.property` callback shorthand
+     * _.map(users, 'user');
+     * // => ['barney', 'fred']
+     */
+      function map(collection, iteratee, thisArg) {
+        var func = isArray(collection) ? arrayMap : baseMap;
+        iteratee = getCallback(iteratee, thisArg, 3);
+        return func(collection, iteratee);
+      }
+      /**
+     * Creates an array of elements split into two groups, the first of which
+     * contains elements `predicate` returns truthy for, while the second of which
+     * contains elements `predicate` returns falsey for. The predicate is bound
+     * to `thisArg` and invoked with three arguments: (value, index|key, collection).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the array of grouped elements.
+     * @example
+     *
+     * _.partition([1, 2, 3], function(n) {
+     *   return n % 2;
+     * });
+     * // => [[1, 3], [2]]
+     *
+     * _.partition([1.2, 2.3, 3.4], function(n) {
+     *   return this.floor(n) % 2;
+     * }, Math);
+     * // => [[1.2, 3.4], [2.3]]
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': false },
+     *   { 'user': 'fred',    'age': 40, 'active': true },
+     *   { 'user': 'pebbles', 'age': 1,  'active': false }
+     * ];
+     *
+     * var mapper = function(array) {
+     *   return _.pluck(array, 'user');
+     * };
+     *
+     * // using the `_.matches` callback shorthand
+     * _.map(_.partition(users, { 'age': 1, 'active': false }), mapper);
+     * // => [['pebbles'], ['barney', 'fred']]
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.map(_.partition(users, 'active', false), mapper);
+     * // => [['barney', 'pebbles'], ['fred']]
+     *
+     * // using the `_.property` callback shorthand
+     * _.map(_.partition(users, 'active'), mapper);
+     * // => [['fred'], ['barney', 'pebbles']]
+     */
+      var partition = createAggregator(function (result, value, key) {
+          result[key ? 0 : 1].push(value);
+        }, function () {
+          return [
+            [],
+            []
+          ];
+        });
+      /**
+     * Gets the property value of `path` from all elements in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Array|string} path The path of the property to pluck.
+     * @returns {Array} Returns the property values.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * _.pluck(users, 'user');
+     * // => ['barney', 'fred']
+     *
+     * var userIndex = _.indexBy(users, 'user');
+     * _.pluck(userIndex, 'age');
+     * // => [36, 40] (iteration order is not guaranteed)
+     */
+      function pluck(collection, path) {
+        return map(collection, property(path));
+      }
+      /**
+     * Reduces `collection` to a value which is the accumulated result of running
+     * each element in `collection` through `iteratee`, where each successive
+     * invocation is supplied the return value of the previous. If `accumulator`
+     * is not provided the first element of `collection` is used as the initial
+     * value. The `iteratee` is bound to `thisArg` and invoked with four arguments:
+     * (accumulator, value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.reduce`, `_.reduceRight`, and `_.transform`.
+     *
+     * The guarded methods are:
+     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `sortByAll`,
+     * and `sortByOrder`
+     *
+     * @static
+     * @memberOf _
+     * @alias foldl, inject
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * _.reduce([1, 2], function(total, n) {
+     *   return total + n;
+     * });
+     * // => 3
+     *
+     * _.reduce({ 'a': 1, 'b': 2 }, function(result, n, key) {
+     *   result[key] = n * 3;
+     *   return result;
+     * }, {});
+     * // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)
+     */
+      var reduce = createReduce(arrayReduce, baseEach);
+      /**
+     * This method is like `_.reduce` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @alias foldr
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * var array = [[0, 1], [2, 3], [4, 5]];
+     *
+     * _.reduceRight(array, function(flattened, other) {
+     *   return flattened.concat(other);
+     * }, []);
+     * // => [4, 5, 2, 3, 0, 1]
+     */
+      var reduceRight = createReduce(arrayReduceRight, baseEachRight);
+      /**
+     * The opposite of `_.filter`; this method returns the elements of `collection`
+     * that `predicate` does **not** return truthy for.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Array} Returns the new filtered array.
+     * @example
+     *
+     * _.reject([1, 2, 3, 4], function(n) {
+     *   return n % 2 == 0;
+     * });
+     * // => [1, 3]
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': true }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.pluck(_.reject(users, { 'age': 40, 'active': true }), 'user');
+     * // => ['barney']
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.pluck(_.reject(users, 'active', false), 'user');
+     * // => ['fred']
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.reject(users, 'active'), 'user');
+     * // => ['barney']
+     */
+      function reject(collection, predicate, thisArg) {
+        var func = isArray(collection) ? arrayFilter : baseFilter;
+        predicate = getCallback(predicate, thisArg, 3);
+        return func(collection, function (value, index, collection) {
+          return !predicate(value, index, collection);
+        });
+      }
+      /**
+     * Gets a random element or `n` random elements from a collection.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to sample.
+     * @param {number} [n] The number of elements to sample.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {*} Returns the random sample(s).
+     * @example
+     *
+     * _.sample([1, 2, 3, 4]);
+     * // => 2
+     *
+     * _.sample([1, 2, 3, 4], 2);
+     * // => [3, 1]
+     */
+      function sample(collection, n, guard) {
+        if (guard ? isIterateeCall(collection, n, guard) : n == null) {
+          collection = toIterable(collection);
+          var length = collection.length;
+          return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
+        }
+        var index = -1, result = toArray(collection), length = result.length, lastIndex = length - 1;
+        n = nativeMin(n < 0 ? 0 : +n || 0, length);
+        while (++index < n) {
+          var rand = baseRandom(index, lastIndex), value = result[rand];
+          result[rand] = result[index];
+          result[index] = value;
+        }
+        result.length = n;
+        return result;
+      }
+      /**
+     * Creates an array of shuffled values, using a version of the
+     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     * @example
+     *
+     * _.shuffle([1, 2, 3, 4]);
+     * // => [4, 1, 3, 2]
+     */
+      function shuffle(collection) {
+        return sample(collection, POSITIVE_INFINITY);
+      }
+      /**
+     * Gets the size of `collection` by returning its length for array-like
+     * values or the number of own enumerable properties for objects.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @returns {number} Returns the size of `collection`.
+     * @example
+     *
+     * _.size([1, 2, 3]);
+     * // => 3
+     *
+     * _.size({ 'a': 1, 'b': 2 });
+     * // => 2
+     *
+     * _.size('pebbles');
+     * // => 7
+     */
+      function size(collection) {
+        var length = collection ? getLength(collection) : 0;
+        return isLength(length) ? length : keys(collection).length;
+      }
+      /**
+     * Checks if `predicate` returns truthy for **any** element of `collection`.
+     * The function returns as soon as it finds a passing value and does not iterate
+     * over the entire collection. The predicate is bound to `thisArg` and invoked
+     * with three arguments: (value, index|key, collection).
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias any
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.some([null, 0, 'yes', false], Boolean);
+     * // => true
+     *
+     * var users = [
+     *   { 'user': 'barney', 'active': true },
+     *   { 'user': 'fred',   'active': false }
+     * ];
+     *
+     * // using the `_.matches` callback shorthand
+     * _.some(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.some(users, 'active', false);
+     * // => true
+     *
+     * // using the `_.property` callback shorthand
+     * _.some(users, 'active');
+     * // => true
+     */
+      function some(collection, predicate, thisArg) {
+        var func = isArray(collection) ? arraySome : baseSome;
+        if (thisArg && isIterateeCall(collection, predicate, thisArg)) {
+          predicate = undefined;
+        }
+        if (typeof predicate != 'function' || thisArg !== undefined) {
+          predicate = getCallback(predicate, thisArg, 3);
+        }
+        return func(collection, predicate);
+      }
+      /**
+     * Creates an array of elements, sorted in ascending order by the results of
+     * running each element in a collection through `iteratee`. This method performs
+     * a stable sort, that is, it preserves the original sort order of equal elements.
+     * The `iteratee` is bound to `thisArg` and invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * _.sortBy([1, 2, 3], function(n) {
+     *   return Math.sin(n);
+     * });
+     * // => [3, 1, 2]
+     *
+     * _.sortBy([1, 2, 3], function(n) {
+     *   return this.sin(n);
+     * }, Math);
+     * // => [3, 1, 2]
+     *
+     * var users = [
+     *   { 'user': 'fred' },
+     *   { 'user': 'pebbles' },
+     *   { 'user': 'barney' }
+     * ];
+     *
+     * // using the `_.property` callback shorthand
+     * _.pluck(_.sortBy(users, 'user'), 'user');
+     * // => ['barney', 'fred', 'pebbles']
+     */
+      function sortBy(collection, iteratee, thisArg) {
+        if (collection == null) {
+          return [];
+        }
+        if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
+          iteratee = undefined;
+        }
+        var index = -1;
+        iteratee = getCallback(iteratee, thisArg, 3);
+        var result = baseMap(collection, function (value, key, collection) {
+            return {
+              'criteria': iteratee(value, key, collection),
+              'index': ++index,
+              'value': value
+            };
+          });
+        return baseSortBy(result, compareAscending);
+      }
+      /**
+     * This method is like `_.sortBy` except that it can sort by multiple iteratees
+     * or property names.
+     *
+     * If a property name is provided for an iteratee the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If an object is provided for an iteratee the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {...(Function|Function[]|Object|Object[]|string|string[])} iteratees
+     *  The iteratees to sort by, specified as individual values or arrays of values.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 42 },
+     *   { 'user': 'barney', 'age': 34 }
+     * ];
+     *
+     * _.map(_.sortByAll(users, ['user', 'age']), _.values);
+     * // => [['barney', 34], ['barney', 36], ['fred', 42], ['fred', 48]]
+     *
+     * _.map(_.sortByAll(users, 'user', function(chr) {
+     *   return Math.floor(chr.age / 10);
+     * }), _.values);
+     * // => [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 42]]
+     */
+      var sortByAll = restParam(function (collection, iteratees) {
+          if (collection == null) {
+            return [];
+          }
+          var guard = iteratees[2];
+          if (guard && isIterateeCall(iteratees[0], iteratees[1], guard)) {
+            iteratees.length = 1;
+          }
+          return baseSortByOrder(collection, baseFlatten(iteratees), []);
+        });
+      /**
+     * This method is like `_.sortByAll` except that it allows specifying the
+     * sort orders of the iteratees to sort by. If `orders` is unspecified, all
+     * values are sorted in ascending order. Otherwise, a value is sorted in
+     * ascending order if its corresponding order is "asc", and descending if "desc".
+     *
+     * If a property name is provided for an iteratee the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If an object is provided for an iteratee the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+     * @param {boolean[]} [orders] The sort orders of `iteratees`.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 34 },
+     *   { 'user': 'fred',   'age': 42 },
+     *   { 'user': 'barney', 'age': 36 }
+     * ];
+     *
+     * // sort by `user` in ascending order and by `age` in descending order
+     * _.map(_.sortByOrder(users, ['user', 'age'], ['asc', 'desc']), _.values);
+     * // => [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 42]]
+     */
+      function sortByOrder(collection, iteratees, orders, guard) {
+        if (collection == null) {
+          return [];
+        }
+        if (guard && isIterateeCall(iteratees, orders, guard)) {
+          orders = undefined;
+        }
+        if (!isArray(iteratees)) {
+          iteratees = iteratees == null ? [] : [iteratees];
+        }
+        if (!isArray(orders)) {
+          orders = orders == null ? [] : [orders];
+        }
+        return baseSortByOrder(collection, iteratees, orders);
+      }
+      /**
+     * Performs a deep comparison between each element in `collection` and the
+     * source object, returning an array of all elements that have equivalent
+     * property values.
+     *
+     * **Note:** This method supports comparing arrays, booleans, `Date` objects,
+     * numbers, `Object` objects, regexes, and strings. Objects are compared by
+     * their own, not inherited, enumerable properties. For comparing a single
+     * own or inherited property value see `_.matchesProperty`.
+     *
+     * @static
+     * @memberOf _
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Object} source The object of property values to match.
+     * @returns {Array} Returns the new filtered array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false, 'pets': ['hoppy'] },
+     *   { 'user': 'fred',   'age': 40, 'active': true, 'pets': ['baby puss', 'dino'] }
+     * ];
+     *
+     * _.pluck(_.where(users, { 'age': 36, 'active': false }), 'user');
+     * // => ['barney']
+     *
+     * _.pluck(_.where(users, { 'pets': ['dino'] }), 'user');
+     * // => ['fred']
+     */
+      function where(collection, source) {
+        return filter(collection, baseMatches(source));
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Gets the number of milliseconds that have elapsed since the Unix epoch
+     * (1 January 1970 00:00:00 UTC).
+     *
+     * @static
+     * @memberOf _
+     * @category Date
+     * @example
+     *
+     * _.defer(function(stamp) {
+     *   console.log(_.now() - stamp);
+     * }, _.now());
+     * // => logs the number of milliseconds it took for the deferred function to be invoked
+     */
+      var now = nativeNow || function () {
+          return new Date().getTime();
+        };
+      /*------------------------------------------------------------------------*/
+      /**
+     * The opposite of `_.before`; this method creates a function that invokes
+     * `func` once it's called `n` or more times.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {number} n The number of calls before `func` is invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var saves = ['profile', 'settings'];
+     *
+     * var done = _.after(saves.length, function() {
+     *   console.log('done saving!');
+     * });
+     *
+     * _.forEach(saves, function(type) {
+     *   asyncSave({ 'type': type, 'complete': done });
+     * });
+     * // => logs 'done saving!' after the two async saves have completed
+     */
+      function after(n, func) {
+        if (typeof func != 'function') {
+          if (typeof n == 'function') {
+            var temp = n;
+            n = func;
+            func = temp;
+          } else {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+        }
+        n = nativeIsFinite(n = +n) ? n : 0;
+        return function () {
+          if (--n < 1) {
+            return func.apply(this, arguments);
+          }
+        };
+      }
+      /**
+     * Creates a function that accepts up to `n` arguments ignoring any
+     * additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @param {number} [n=func.length] The arity cap.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+     * // => [6, 8, 10]
+     */
+      function ary(func, n, guard) {
+        if (guard && isIterateeCall(func, n, guard)) {
+          n = undefined;
+        }
+        n = func && n == null ? func.length : nativeMax(+n || 0, 0);
+        return createWrapper(func, ARY_FLAG, undefined, undefined, undefined, undefined, n);
+      }
+      /**
+     * Creates a function that invokes `func`, with the `this` binding and arguments
+     * of the created function, while it's called less than `n` times. Subsequent
+     * calls to the created function return the result of the last `func` invocation.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {number} n The number of calls at which `func` is no longer invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * jQuery('#add').on('click', _.before(5, addContactToList));
+     * // => allows adding up to 4 contacts to the list
+     */
+      function before(n, func) {
+        var result;
+        if (typeof func != 'function') {
+          if (typeof n == 'function') {
+            var temp = n;
+            n = func;
+            func = temp;
+          } else {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+        }
+        return function () {
+          if (--n > 0) {
+            result = func.apply(this, arguments);
+          }
+          if (n <= 1) {
+            func = undefined;
+          }
+          return result;
+        };
+      }
+      /**
+     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+     * and prepends any additional `_.bind` arguments to those provided to the
+     * bound function.
+     *
+     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** Unlike native `Function#bind` this method does not set the "length"
+     * property of bound functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to bind.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * var greet = function(greeting, punctuation) {
+     *   return greeting + ' ' + this.user + punctuation;
+     * };
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * var bound = _.bind(greet, object, 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * // using placeholders
+     * var bound = _.bind(greet, object, _, '!');
+     * bound('hi');
+     * // => 'hi fred!'
+     */
+      var bind = restParam(function (func, thisArg, partials) {
+          var bitmask = BIND_FLAG;
+          if (partials.length) {
+            var holders = replaceHolders(partials, bind.placeholder);
+            bitmask |= PARTIAL_FLAG;
+          }
+          return createWrapper(func, bitmask, thisArg, partials, holders);
+        });
+      /**
+     * Binds methods of an object to the object itself, overwriting the existing
+     * method. Method names may be specified as individual arguments or as arrays
+     * of method names. If no method names are provided all enumerable function
+     * properties, own and inherited, of `object` are bound.
+     *
+     * **Note:** This method does not set the "length" property of bound functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Object} object The object to bind and assign the bound methods to.
+     * @param {...(string|string[])} [methodNames] The object method names to bind,
+     *  specified as individual method names or arrays of method names.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var view = {
+     *   'label': 'docs',
+     *   'onClick': function() {
+     *     console.log('clicked ' + this.label);
+     *   }
+     * };
+     *
+     * _.bindAll(view);
+     * jQuery('#docs').on('click', view.onClick);
+     * // => logs 'clicked docs' when the element is clicked
+     */
+      var bindAll = restParam(function (object, methodNames) {
+          methodNames = methodNames.length ? baseFlatten(methodNames) : functions(object);
+          var index = -1, length = methodNames.length;
+          while (++index < length) {
+            var key = methodNames[index];
+            object[key] = createWrapper(object[key], BIND_FLAG, object);
+          }
+          return object;
+        });
+      /**
+     * Creates a function that invokes the method at `object[key]` and prepends
+     * any additional `_.bindKey` arguments to those provided to the bound function.
+     *
+     * This method differs from `_.bind` by allowing bound functions to reference
+     * methods that may be redefined or don't yet exist.
+     * See [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+     * for more details.
+     *
+     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Object} object The object the method belongs to.
+     * @param {string} key The key of the method.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * var object = {
+     *   'user': 'fred',
+     *   'greet': function(greeting, punctuation) {
+     *     return greeting + ' ' + this.user + punctuation;
+     *   }
+     * };
+     *
+     * var bound = _.bindKey(object, 'greet', 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * object.greet = function(greeting, punctuation) {
+     *   return greeting + 'ya ' + this.user + punctuation;
+     * };
+     *
+     * bound('!');
+     * // => 'hiya fred!'
+     *
+     * // using placeholders
+     * var bound = _.bindKey(object, 'greet', _, '!');
+     * bound('hi');
+     * // => 'hiya fred!'
+     */
+      var bindKey = restParam(function (object, key, partials) {
+          var bitmask = BIND_FLAG | BIND_KEY_FLAG;
+          if (partials.length) {
+            var holders = replaceHolders(partials, bindKey.placeholder);
+            bitmask |= PARTIAL_FLAG;
+          }
+          return createWrapper(key, bitmask, object, partials, holders);
+        });
+      /**
+     * Creates a function that accepts one or more arguments of `func` that when
+     * called either invokes `func` returning its result, if all `func` arguments
+     * have been provided, or returns a function that accepts one or more of the
+     * remaining `func` arguments, and so on. The arity of `func` may be specified
+     * if `func.length` is not sufficient.
+     *
+     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method does not set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curry(abc);
+     *
+     * curried(1)(2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // using placeholders
+     * curried(1)(_, 3)(2);
+     * // => [1, 2, 3]
+     */
+      var curry = createCurry(CURRY_FLAG);
+      /**
+     * This method is like `_.curry` except that arguments are applied to `func`
+     * in the manner of `_.partialRight` instead of `_.partial`.
+     *
+     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method does not set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curryRight(abc);
+     *
+     * curried(3)(2)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(2, 3)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // using placeholders
+     * curried(3)(1, _)(2);
+     * // => [1, 2, 3]
+     */
+      var curryRight = createCurry(CURRY_RIGHT_FLAG);
+      /**
+     * Creates a debounced function that delays invoking `func` until after `wait`
+     * milliseconds have elapsed since the last time the debounced function was
+     * invoked. The debounced function comes with a `cancel` method to cancel
+     * delayed invocations. Provide an options object to indicate that `func`
+     * should be invoked on the leading and/or trailing edge of the `wait` timeout.
+     * Subsequent calls to the debounced function return the result of the last
+     * `func` invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked
+     * on the trailing edge of the timeout only if the the debounced function is
+     * invoked more than once during the `wait` timeout.
+     *
+     * See [David Corbacho's article](http://drupalmotion.com/article/debounce-and-throttle-visual-explanation)
+     * for details over the differences between `_.debounce` and `_.throttle`.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to debounce.
+     * @param {number} [wait=0] The number of milliseconds to delay.
+     * @param {Object} [options] The options object.
+     * @param {boolean} [options.leading=false] Specify invoking on the leading
+     *  edge of the timeout.
+     * @param {number} [options.maxWait] The maximum time `func` is allowed to be
+     *  delayed before it's invoked.
+     * @param {boolean} [options.trailing=true] Specify invoking on the trailing
+     *  edge of the timeout.
+     * @returns {Function} Returns the new debounced function.
+     * @example
+     *
+     * // avoid costly calculations while the window size is in flux
+     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+     *
+     * // invoke `sendMail` when the click event is fired, debouncing subsequent calls
+     * jQuery('#postbox').on('click', _.debounce(sendMail, 300, {
+     *   'leading': true,
+     *   'trailing': false
+     * }));
+     *
+     * // ensure `batchLog` is invoked once after 1 second of debounced calls
+     * var source = new EventSource('/stream');
+     * jQuery(source).on('message', _.debounce(batchLog, 250, {
+     *   'maxWait': 1000
+     * }));
+     *
+     * // cancel a debounced call
+     * var todoChanges = _.debounce(batchLog, 1000);
+     * Object.observe(models.todo, todoChanges);
+     *
+     * Object.observe(models, function(changes) {
+     *   if (_.find(changes, { 'user': 'todo', 'type': 'delete'})) {
+     *     todoChanges.cancel();
+     *   }
+     * }, ['delete']);
+     *
+     * // ...at some point `models.todo` is changed
+     * models.todo.completed = true;
+     *
+     * // ...before 1 second has passed `models.todo` is deleted
+     * // which cancels the debounced `todoChanges` call
+     * delete models.todo;
+     */
+      function debounce(func, wait, options) {
+        var args, maxTimeoutId, result, stamp, thisArg, timeoutId, trailingCall, lastCalled = 0, maxWait = false, trailing = true;
+        if (typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        wait = wait < 0 ? 0 : +wait || 0;
+        if (options === true) {
+          var leading = true;
+          trailing = false;
+        } else if (isObject(options)) {
+          leading = !!options.leading;
+          maxWait = 'maxWait' in options && nativeMax(+options.maxWait || 0, wait);
+          trailing = 'trailing' in options ? !!options.trailing : trailing;
+        }
+        function cancel() {
+          if (timeoutId) {
+            clearTimeout(timeoutId);
+          }
+          if (maxTimeoutId) {
+            clearTimeout(maxTimeoutId);
+          }
+          lastCalled = 0;
+          maxTimeoutId = timeoutId = trailingCall = undefined;
+        }
+        function complete(isCalled, id) {
+          if (id) {
+            clearTimeout(id);
+          }
+          maxTimeoutId = timeoutId = trailingCall = undefined;
+          if (isCalled) {
+            lastCalled = now();
+            result = func.apply(thisArg, args);
+            if (!timeoutId && !maxTimeoutId) {
+              args = thisArg = undefined;
+            }
+          }
+        }
+        function delayed() {
+          var remaining = wait - (now() - stamp);
+          if (remaining <= 0 || remaining > wait) {
+            complete(trailingCall, maxTimeoutId);
+          } else {
+            timeoutId = setTimeout(delayed, remaining);
+          }
+        }
+        function maxDelayed() {
+          complete(trailing, timeoutId);
+        }
+        function debounced() {
+          args = arguments;
+          stamp = now();
+          thisArg = this;
+          trailingCall = trailing && (timeoutId || !leading);
+          if (maxWait === false) {
+            var leadingCall = leading && !timeoutId;
+          } else {
+            if (!maxTimeoutId && !leading) {
+              lastCalled = stamp;
+            }
+            var remaining = maxWait - (stamp - lastCalled), isCalled = remaining <= 0 || remaining > maxWait;
+            if (isCalled) {
+              if (maxTimeoutId) {
+                maxTimeoutId = clearTimeout(maxTimeoutId);
+              }
+              lastCalled = stamp;
+              result = func.apply(thisArg, args);
+            } else if (!maxTimeoutId) {
+              maxTimeoutId = setTimeout(maxDelayed, remaining);
+            }
+          }
+          if (isCalled && timeoutId) {
+            timeoutId = clearTimeout(timeoutId);
+          } else if (!timeoutId && wait !== maxWait) {
+            timeoutId = setTimeout(delayed, wait);
+          }
+          if (leadingCall) {
+            isCalled = true;
+            result = func.apply(thisArg, args);
+          }
+          if (isCalled && !timeoutId && !maxTimeoutId) {
+            args = thisArg = undefined;
+          }
+          return result;
+        }
+        debounced.cancel = cancel;
+        return debounced;
+      }
+      /**
+     * Defers invoking the `func` until the current call stack has cleared. Any
+     * additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to defer.
+     * @param {...*} [args] The arguments to invoke the function with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.defer(function(text) {
+     *   console.log(text);
+     * }, 'deferred');
+     * // logs 'deferred' after one or more milliseconds
+     */
+      var defer = restParam(function (func, args) {
+          return baseDelay(func, 1, args);
+        });
+      /**
+     * Invokes `func` after `wait` milliseconds. Any additional arguments are
+     * provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {...*} [args] The arguments to invoke the function with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.delay(function(text) {
+     *   console.log(text);
+     * }, 1000, 'later');
+     * // => logs 'later' after one second
+     */
+      var delay = restParam(function (func, wait, args) {
+          return baseDelay(func, wait, args);
+        });
+      /**
+     * Creates a function that returns the result of invoking the provided
+     * functions with the `this` binding of the created function, where each
+     * successive invocation is supplied the return value of the previous.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {...Function} [funcs] Functions to invoke.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flow(_.add, square);
+     * addSquare(1, 2);
+     * // => 9
+     */
+      var flow = createFlow();
+      /**
+     * This method is like `_.flow` except that it creates a function that
+     * invokes the provided functions from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @alias backflow, compose
+     * @category Function
+     * @param {...Function} [funcs] Functions to invoke.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flowRight(square, _.add);
+     * addSquare(1, 2);
+     * // => 9
+     */
+      var flowRight = createFlow(true);
+      /**
+     * Creates a function that memoizes the result of `func`. If `resolver` is
+     * provided it determines the cache key for storing the result based on the
+     * arguments provided to the memoized function. By default, the first argument
+     * provided to the memoized function is coerced to a string and used as the
+     * cache key. The `func` is invoked with the `this` binding of the memoized
+     * function.
+     *
+     * **Note:** The cache is exposed as the `cache` property on the memoized
+     * function. Its creation may be customized by replacing the `_.memoize.Cache`
+     * constructor with one whose instances implement the [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+     * method interface of `get`, `has`, and `set`.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to have its output memoized.
+     * @param {Function} [resolver] The function to resolve the cache key.
+     * @returns {Function} Returns the new memoizing function.
+     * @example
+     *
+     * var upperCase = _.memoize(function(string) {
+     *   return string.toUpperCase();
+     * });
+     *
+     * upperCase('fred');
+     * // => 'FRED'
+     *
+     * // modifying the result cache
+     * upperCase.cache.set('fred', 'BARNEY');
+     * upperCase('fred');
+     * // => 'BARNEY'
+     *
+     * // replacing `_.memoize.Cache`
+     * var object = { 'user': 'fred' };
+     * var other = { 'user': 'barney' };
+     * var identity = _.memoize(_.identity);
+     *
+     * identity(object);
+     * // => { 'user': 'fred' }
+     * identity(other);
+     * // => { 'user': 'fred' }
+     *
+     * _.memoize.Cache = WeakMap;
+     * var identity = _.memoize(_.identity);
+     *
+     * identity(object);
+     * // => { 'user': 'fred' }
+     * identity(other);
+     * // => { 'user': 'barney' }
+     */
+      function memoize(func, resolver) {
+        if (typeof func != 'function' || resolver && typeof resolver != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        var memoized = function () {
+          var args = arguments, key = resolver ? resolver.apply(this, args) : args[0], cache = memoized.cache;
+          if (cache.has(key)) {
+            return cache.get(key);
+          }
+          var result = func.apply(this, args);
+          memoized.cache = cache.set(key, result);
+          return result;
+        };
+        memoized.cache = new memoize.Cache();
+        return memoized;
+      }
+      /**
+     * Creates a function that runs each argument through a corresponding
+     * transform function.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to wrap.
+     * @param {...(Function|Function[])} [transforms] The functions to transform
+     * arguments, specified as individual functions or arrays of functions.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function doubled(n) {
+     *   return n * 2;
+     * }
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var modded = _.modArgs(function(x, y) {
+     *   return [x, y];
+     * }, square, doubled);
+     *
+     * modded(1, 2);
+     * // => [1, 4]
+     *
+     * modded(5, 10);
+     * // => [25, 20]
+     */
+      var modArgs = restParam(function (func, transforms) {
+          transforms = baseFlatten(transforms);
+          if (typeof func != 'function' || !arrayEvery(transforms, baseIsFunction)) {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+          var length = transforms.length;
+          return restParam(function (args) {
+            var index = nativeMin(args.length, length);
+            while (index--) {
+              args[index] = transforms[index](args[index]);
+            }
+            return func.apply(this, args);
+          });
+        });
+      /**
+     * Creates a function that negates the result of the predicate `func`. The
+     * `func` predicate is invoked with the `this` binding and arguments of the
+     * created function.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} predicate The predicate to negate.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function isEven(n) {
+     *   return n % 2 == 0;
+     * }
+     *
+     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+     * // => [1, 3, 5]
+     */
+      function negate(predicate) {
+        if (typeof predicate != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return function () {
+          return !predicate.apply(this, arguments);
+        };
+      }
+      /**
+     * Creates a function that is restricted to invoking `func` once. Repeat calls
+     * to the function return the value of the first call. The `func` is invoked
+     * with the `this` binding and arguments of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var initialize = _.once(createApplication);
+     * initialize();
+     * initialize();
+     * // `initialize` invokes `createApplication` once
+     */
+      function once(func) {
+        return before(2, func);
+      }
+      /**
+     * Creates a function that invokes `func` with `partial` arguments prepended
+     * to those provided to the new function. This method is like `_.bind` except
+     * it does **not** alter the `this` binding.
+     *
+     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method does not set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * var greet = function(greeting, name) {
+     *   return greeting + ' ' + name;
+     * };
+     *
+     * var sayHelloTo = _.partial(greet, 'hello');
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     *
+     * // using placeholders
+     * var greetFred = _.partial(greet, _, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     */
+      var partial = createPartial(PARTIAL_FLAG);
+      /**
+     * This method is like `_.partial` except that partially applied arguments
+     * are appended to those provided to the new function.
+     *
+     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method does not set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * var greet = function(greeting, name) {
+     *   return greeting + ' ' + name;
+     * };
+     *
+     * var greetFred = _.partialRight(greet, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     *
+     * // using placeholders
+     * var sayHelloTo = _.partialRight(greet, 'hello', _);
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     */
+      var partialRight = createPartial(PARTIAL_RIGHT_FLAG);
+      /**
+     * Creates a function that invokes `func` with arguments arranged according
+     * to the specified indexes where the argument value at the first index is
+     * provided as the first argument, the argument value at the second index is
+     * provided as the second argument, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to rearrange arguments for.
+     * @param {...(number|number[])} indexes The arranged argument indexes,
+     *  specified as individual indexes or arrays of indexes.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var rearged = _.rearg(function(a, b, c) {
+     *   return [a, b, c];
+     * }, 2, 0, 1);
+     *
+     * rearged('b', 'c', 'a')
+     * // => ['a', 'b', 'c']
+     *
+     * var map = _.rearg(_.map, [1, 0]);
+     * map(function(n) {
+     *   return n * 3;
+     * }, [1, 2, 3]);
+     * // => [3, 6, 9]
+     */
+      var rearg = restParam(function (func, indexes) {
+          return createWrapper(func, REARG_FLAG, undefined, undefined, undefined, baseFlatten(indexes));
+        });
+      /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * created function and arguments from `start` and beyond provided as an array.
+     *
+     * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/Web/JavaScript/Reference/Functions/rest_parameters).
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.restParam(function(what, names) {
+     *   return what + ' ' + _.initial(names).join(', ') +
+     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+     * });
+     *
+     * say('hello', 'fred', 'barney', 'pebbles');
+     * // => 'hello fred, barney, & pebbles'
+     */
+      function restParam(func, start) {
+        if (typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        start = nativeMax(start === undefined ? func.length - 1 : +start || 0, 0);
+        return function () {
+          var args = arguments, index = -1, length = nativeMax(args.length - start, 0), rest = Array(length);
+          while (++index < length) {
+            rest[index] = args[start + index];
+          }
+          switch (start) {
+          case 0:
+            return func.call(this, rest);
+          case 1:
+            return func.call(this, args[0], rest);
+          case 2:
+            return func.call(this, args[0], args[1], rest);
+          }
+          var otherArgs = Array(start + 1);
+          index = -1;
+          while (++index < start) {
+            otherArgs[index] = args[index];
+          }
+          otherArgs[start] = rest;
+          return func.apply(this, otherArgs);
+        };
+      }
+      /**
+     * Creates a function that invokes `func` with the `this` binding of the created
+     * function and an array of arguments much like [`Function#apply`](https://es5.github.io/#x15.3.4.3).
+     *
+     * **Note:** This method is based on the [spread operator](https://developer.mozilla.org/Web/JavaScript/Reference/Operators/Spread_operator).
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to spread arguments over.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.spread(function(who, what) {
+     *   return who + ' says ' + what;
+     * });
+     *
+     * say(['fred', 'hello']);
+     * // => 'fred says hello'
+     *
+     * // with a Promise
+     * var numbers = Promise.all([
+     *   Promise.resolve(40),
+     *   Promise.resolve(36)
+     * ]);
+     *
+     * numbers.then(_.spread(function(x, y) {
+     *   return x + y;
+     * }));
+     * // => a Promise of 76
+     */
+      function spread(func) {
+        if (typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return function (array) {
+          return func.apply(this, array);
+        };
+      }
+      /**
+     * Creates a throttled function that only invokes `func` at most once per
+     * every `wait` milliseconds. The throttled function comes with a `cancel`
+     * method to cancel delayed invocations. Provide an options object to indicate
+     * that `func` should be invoked on the leading and/or trailing edge of the
+     * `wait` timeout. Subsequent calls to the throttled function return the
+     * result of the last `func` call.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked
+     * on the trailing edge of the timeout only if the the throttled function is
+     * invoked more than once during the `wait` timeout.
+     *
+     * See [David Corbacho's article](http://drupalmotion.com/article/debounce-and-throttle-visual-explanation)
+     * for details over the differences between `_.throttle` and `_.debounce`.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to throttle.
+     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+     * @param {Object} [options] The options object.
+     * @param {boolean} [options.leading=true] Specify invoking on the leading
+     *  edge of the timeout.
+     * @param {boolean} [options.trailing=true] Specify invoking on the trailing
+     *  edge of the timeout.
+     * @returns {Function} Returns the new throttled function.
+     * @example
+     *
+     * // avoid excessively updating the position while scrolling
+     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+     *
+     * // invoke `renewToken` when the click event is fired, but not more than once every 5 minutes
+     * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, {
+     *   'trailing': false
+     * }));
+     *
+     * // cancel a trailing throttled call
+     * jQuery(window).on('popstate', throttled.cancel);
+     */
+      function throttle(func, wait, options) {
+        var leading = true, trailing = true;
+        if (typeof func != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        if (options === false) {
+          leading = false;
+        } else if (isObject(options)) {
+          leading = 'leading' in options ? !!options.leading : leading;
+          trailing = 'trailing' in options ? !!options.trailing : trailing;
+        }
+        return debounce(func, wait, {
+          'leading': leading,
+          'maxWait': +wait,
+          'trailing': trailing
+        });
+      }
+      /**
+     * Creates a function that provides `value` to the wrapper function as its
+     * first argument. Any additional arguments provided to the function are
+     * appended to those provided to the wrapper function. The wrapper is invoked
+     * with the `this` binding of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @category Function
+     * @param {*} value The value to wrap.
+     * @param {Function} wrapper The wrapper function.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var p = _.wrap(_.escape, function(func, text) {
+     *   return '<p>' + func(text) + '</p>';
+     * });
+     *
+     * p('fred, barney, & pebbles');
+     * // => '<p>fred, barney, &amp; pebbles</p>'
+     */
+      function wrap(value, wrapper) {
+        wrapper = wrapper == null ? identity : wrapper;
+        return createWrapper(wrapper, PARTIAL_FLAG, undefined, [value], []);
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Creates a clone of `value`. If `isDeep` is `true` nested objects are cloned,
+     * otherwise they are assigned by reference. If `customizer` is provided it's
+     * invoked to produce the cloned values. If `customizer` returns `undefined`
+     * cloning is handled by the method instead. The `customizer` is bound to
+     * `thisArg` and invoked with up to three argument; (value [, index|key, object]).
+     *
+     * **Note:** This method is loosely based on the
+     * [structured clone algorithm](http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm).
+     * The enumerable properties of `arguments` objects and objects created by
+     * constructors other than `Object` are cloned to plain `Object` objects. An
+     * empty object is returned for uncloneable values such as functions, DOM nodes,
+     * Maps, Sets, and WeakMaps.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @param {Function} [customizer] The function to customize cloning values.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {*} Returns the cloned value.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * var shallow = _.clone(users);
+     * shallow[0] === users[0];
+     * // => true
+     *
+     * var deep = _.clone(users, true);
+     * deep[0] === users[0];
+     * // => false
+     *
+     * // using a customizer callback
+     * var el = _.clone(document.body, function(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(false);
+     *   }
+     * });
+     *
+     * el === document.body
+     * // => false
+     * el.nodeName
+     * // => BODY
+     * el.childNodes.length;
+     * // => 0
+     */
+      function clone(value, isDeep, customizer, thisArg) {
+        if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {
+          isDeep = false;
+        } else if (typeof isDeep == 'function') {
+          thisArg = customizer;
+          customizer = isDeep;
+          isDeep = false;
+        }
+        return typeof customizer == 'function' ? baseClone(value, isDeep, bindCallback(customizer, thisArg, 3)) : baseClone(value, isDeep);
+      }
+      /**
+     * Creates a deep clone of `value`. If `customizer` is provided it's invoked
+     * to produce the cloned values. If `customizer` returns `undefined` cloning
+     * is handled by the method instead. The `customizer` is bound to `thisArg`
+     * and invoked with up to three argument; (value [, index|key, object]).
+     *
+     * **Note:** This method is loosely based on the
+     * [structured clone algorithm](http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm).
+     * The enumerable properties of `arguments` objects and objects created by
+     * constructors other than `Object` are cloned to plain `Object` objects. An
+     * empty object is returned for uncloneable values such as functions, DOM nodes,
+     * Maps, Sets, and WeakMaps.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to deep clone.
+     * @param {Function} [customizer] The function to customize cloning values.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {*} Returns the deep cloned value.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * var deep = _.cloneDeep(users);
+     * deep[0] === users[0];
+     * // => false
+     *
+     * // using a customizer callback
+     * var el = _.cloneDeep(document.body, function(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(true);
+     *   }
+     * });
+     *
+     * el === document.body
+     * // => false
+     * el.nodeName
+     * // => BODY
+     * el.childNodes.length;
+     * // => 20
+     */
+      function cloneDeep(value, customizer, thisArg) {
+        return typeof customizer == 'function' ? baseClone(value, true, bindCallback(customizer, thisArg, 3)) : baseClone(value, true);
+      }
+      /**
+     * Checks if `value` is greater than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`, else `false`.
+     * @example
+     *
+     * _.gt(3, 1);
+     * // => true
+     *
+     * _.gt(3, 3);
+     * // => false
+     *
+     * _.gt(1, 3);
+     * // => false
+     */
+      function gt(value, other) {
+        return value > other;
+      }
+      /**
+     * Checks if `value` is greater than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than or equal to `other`, else `false`.
+     * @example
+     *
+     * _.gte(3, 1);
+     * // => true
+     *
+     * _.gte(3, 3);
+     * // => true
+     *
+     * _.gte(1, 3);
+     * // => false
+     */
+      function gte(value, other) {
+        return value >= other;
+      }
+      /**
+     * Checks if `value` is classified as an `arguments` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isArguments(function() { return arguments; }());
+     * // => true
+     *
+     * _.isArguments([1, 2, 3]);
+     * // => false
+     */
+      function isArguments(value) {
+        return isObjectLike(value) && isArrayLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');
+      }
+      /**
+     * Checks if `value` is classified as an `Array` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     *
+     * _.isArray(function() { return arguments; }());
+     * // => false
+     */
+      var isArray = nativeIsArray || function (value) {
+          return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
+        };
+      /**
+     * Checks if `value` is classified as a boolean primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isBoolean(false);
+     * // => true
+     *
+     * _.isBoolean(null);
+     * // => false
+     */
+      function isBoolean(value) {
+        return value === true || value === false || isObjectLike(value) && objToString.call(value) == boolTag;
+      }
+      /**
+     * Checks if `value` is classified as a `Date` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isDate(new Date);
+     * // => true
+     *
+     * _.isDate('Mon April 23 2012');
+     * // => false
+     */
+      function isDate(value) {
+        return isObjectLike(value) && objToString.call(value) == dateTag;
+      }
+      /**
+     * Checks if `value` is a DOM element.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+     * @example
+     *
+     * _.isElement(document.body);
+     * // => true
+     *
+     * _.isElement('<body>');
+     * // => false
+     */
+      function isElement(value) {
+        return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);
+      }
+      /**
+     * Checks if `value` is empty. A value is considered empty unless it's an
+     * `arguments` object, array, string, or jQuery-like collection with a length
+     * greater than `0` or an object with own enumerable properties.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {Array|Object|string} value The value to inspect.
+     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+     * @example
+     *
+     * _.isEmpty(null);
+     * // => true
+     *
+     * _.isEmpty(true);
+     * // => true
+     *
+     * _.isEmpty(1);
+     * // => true
+     *
+     * _.isEmpty([1, 2, 3]);
+     * // => false
+     *
+     * _.isEmpty({ 'a': 1 });
+     * // => false
+     */
+      function isEmpty(value) {
+        if (value == null) {
+          return true;
+        }
+        if (isArrayLike(value) && (isArray(value) || isString(value) || isArguments(value) || isObjectLike(value) && isFunction(value.splice))) {
+          return !value.length;
+        }
+        return !keys(value).length;
+      }
+      /**
+     * Performs a deep comparison between two values to determine if they are
+     * equivalent. If `customizer` is provided it's invoked to compare values.
+     * If `customizer` returns `undefined` comparisons are handled by the method
+     * instead. The `customizer` is bound to `thisArg` and invoked with up to
+     * three arguments: (value, other [, index|key]).
+     *
+     * **Note:** This method supports comparing arrays, booleans, `Date` objects,
+     * numbers, `Object` objects, regexes, and strings. Objects are compared by
+     * their own, not inherited, enumerable properties. Functions and DOM nodes
+     * are **not** supported. Provide a customizer function to extend support
+     * for comparing other values.
+     *
+     * @static
+     * @memberOf _
+     * @alias eq
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize value comparisons.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'user': 'fred' };
+     * var other = { 'user': 'fred' };
+     *
+     * object == other;
+     * // => false
+     *
+     * _.isEqual(object, other);
+     * // => true
+     *
+     * // using a customizer callback
+     * var array = ['hello', 'goodbye'];
+     * var other = ['hi', 'goodbye'];
+     *
+     * _.isEqual(array, other, function(value, other) {
+     *   if (_.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/)) {
+     *     return true;
+     *   }
+     * });
+     * // => true
+     */
+      function isEqual(value, other, customizer, thisArg) {
+        customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;
+        var result = customizer ? customizer(value, other) : undefined;
+        return result === undefined ? baseIsEqual(value, other, customizer) : !!result;
+      }
+      /**
+     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+     * `SyntaxError`, `TypeError`, or `URIError` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+     * @example
+     *
+     * _.isError(new Error);
+     * // => true
+     *
+     * _.isError(Error);
+     * // => false
+     */
+      function isError(value) {
+        return isObjectLike(value) && typeof value.message == 'string' && objToString.call(value) == errorTag;
+      }
+      /**
+     * Checks if `value` is a finite primitive number.
+     *
+     * **Note:** This method is based on [`Number.isFinite`](http://ecma-international.org/ecma-262/6.0/#sec-number.isfinite).
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+     * @example
+     *
+     * _.isFinite(10);
+     * // => true
+     *
+     * _.isFinite('10');
+     * // => false
+     *
+     * _.isFinite(true);
+     * // => false
+     *
+     * _.isFinite(Object(10));
+     * // => false
+     *
+     * _.isFinite(Infinity);
+     * // => false
+     */
+      function isFinite(value) {
+        return typeof value == 'number' && nativeIsFinite(value);
+      }
+      /**
+     * Checks if `value` is classified as a `Function` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isFunction(_);
+     * // => true
+     *
+     * _.isFunction(/abc/);
+     * // => false
+     */
+      function isFunction(value) {
+        // The use of `Object#toString` avoids issues with the `typeof` operator
+        // in older versions of Chrome and Safari which return 'function' for regexes
+        // and Safari 8 which returns 'object' for typed array constructors.
+        return isObject(value) && objToString.call(value) == funcTag;
+      }
+      /**
+     * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
+     * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+     * @example
+     *
+     * _.isObject({});
+     * // => true
+     *
+     * _.isObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isObject(1);
+     * // => false
+     */
+      function isObject(value) {
+        // Avoid a V8 JIT bug in Chrome 19-20.
+        // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+        var type = typeof value;
+        return !!value && (type == 'object' || type == 'function');
+      }
+      /**
+     * Performs a deep comparison between `object` and `source` to determine if
+     * `object` contains equivalent property values. If `customizer` is provided
+     * it's invoked to compare values. If `customizer` returns `undefined`
+     * comparisons are handled by the method instead. The `customizer` is bound
+     * to `thisArg` and invoked with three arguments: (value, other, index|key).
+     *
+     * **Note:** This method supports comparing properties of arrays, booleans,
+     * `Date` objects, numbers, `Object` objects, regexes, and strings. Functions
+     * and DOM nodes are **not** supported. Provide a customizer function to extend
+     * support for comparing other values.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Function} [customizer] The function to customize value comparisons.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * var object = { 'user': 'fred', 'age': 40 };
+     *
+     * _.isMatch(object, { 'age': 40 });
+     * // => true
+     *
+     * _.isMatch(object, { 'age': 36 });
+     * // => false
+     *
+     * // using a customizer callback
+     * var object = { 'greeting': 'hello' };
+     * var source = { 'greeting': 'hi' };
+     *
+     * _.isMatch(object, source, function(value, other) {
+     *   return _.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/) || undefined;
+     * });
+     * // => true
+     */
+      function isMatch(object, source, customizer, thisArg) {
+        customizer = typeof customizer == 'function' ? bindCallback(customizer, thisArg, 3) : undefined;
+        return baseIsMatch(object, getMatchData(source), customizer);
+      }
+      /**
+     * Checks if `value` is `NaN`.
+     *
+     * **Note:** This method is not the same as [`isNaN`](https://es5.github.io/#x15.1.2.4)
+     * which returns `true` for `undefined` and other non-numeric values.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+     * @example
+     *
+     * _.isNaN(NaN);
+     * // => true
+     *
+     * _.isNaN(new Number(NaN));
+     * // => true
+     *
+     * isNaN(undefined);
+     * // => true
+     *
+     * _.isNaN(undefined);
+     * // => false
+     */
+      function isNaN(value) {
+        // An `NaN` primitive is the only value that is not equal to itself.
+        // Perform the `toStringTag` check first to avoid errors with some host objects in IE.
+        return isNumber(value) && value != +value;
+      }
+      /**
+     * Checks if `value` is a native function.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
+     * @example
+     *
+     * _.isNative(Array.prototype.push);
+     * // => true
+     *
+     * _.isNative(_);
+     * // => false
+     */
+      function isNative(value) {
+        if (value == null) {
+          return false;
+        }
+        if (isFunction(value)) {
+          return reIsNative.test(fnToString.call(value));
+        }
+        return isObjectLike(value) && reIsHostCtor.test(value);
+      }
+      /**
+     * Checks if `value` is `null`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+     * @example
+     *
+     * _.isNull(null);
+     * // => true
+     *
+     * _.isNull(void 0);
+     * // => false
+     */
+      function isNull(value) {
+        return value === null;
+      }
+      /**
+     * Checks if `value` is classified as a `Number` primitive or object.
+     *
+     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified
+     * as numbers, use the `_.isFinite` method.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isNumber(8.4);
+     * // => true
+     *
+     * _.isNumber(NaN);
+     * // => true
+     *
+     * _.isNumber('8.4');
+     * // => false
+     */
+      function isNumber(value) {
+        return typeof value == 'number' || isObjectLike(value) && objToString.call(value) == numberTag;
+      }
+      /**
+     * Checks if `value` is a plain object, that is, an object created by the
+     * `Object` constructor or one with a `[[Prototype]]` of `null`.
+     *
+     * **Note:** This method assumes objects created by the `Object` constructor
+     * have no inherited enumerable properties.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * _.isPlainObject(new Foo);
+     * // => false
+     *
+     * _.isPlainObject([1, 2, 3]);
+     * // => false
+     *
+     * _.isPlainObject({ 'x': 0, 'y': 0 });
+     * // => true
+     *
+     * _.isPlainObject(Object.create(null));
+     * // => true
+     */
+      function isPlainObject(value) {
+        var Ctor;
+        // Exit early for non `Object` objects.
+        if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) || !hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor))) {
+          return false;
+        }
+        // IE < 9 iterates inherited properties before own properties. If the first
+        // iterated property is an object's own property then there are no inherited
+        // enumerable properties.
+        var result;
+        // In most environments an object's own properties are iterated before
+        // its inherited properties. If the last iterated property is an object's
+        // own property then there are no inherited enumerable properties.
+        baseForIn(value, function (subValue, key) {
+          result = key;
+        });
+        return result === undefined || hasOwnProperty.call(value, result);
+      }
+      /**
+     * Checks if `value` is classified as a `RegExp` object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isRegExp(/abc/);
+     * // => true
+     *
+     * _.isRegExp('/abc/');
+     * // => false
+     */
+      function isRegExp(value) {
+        return isObject(value) && objToString.call(value) == regexpTag;
+      }
+      /**
+     * Checks if `value` is classified as a `String` primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isString('abc');
+     * // => true
+     *
+     * _.isString(1);
+     * // => false
+     */
+      function isString(value) {
+        return typeof value == 'string' || isObjectLike(value) && objToString.call(value) == stringTag;
+      }
+      /**
+     * Checks if `value` is classified as a typed array.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isTypedArray(new Uint8Array);
+     * // => true
+     *
+     * _.isTypedArray([]);
+     * // => false
+     */
+      function isTypedArray(value) {
+        return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
+      }
+      /**
+     * Checks if `value` is `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+     * @example
+     *
+     * _.isUndefined(void 0);
+     * // => true
+     *
+     * _.isUndefined(null);
+     * // => false
+     */
+      function isUndefined(value) {
+        return value === undefined;
+      }
+      /**
+     * Checks if `value` is less than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`, else `false`.
+     * @example
+     *
+     * _.lt(1, 3);
+     * // => true
+     *
+     * _.lt(3, 3);
+     * // => false
+     *
+     * _.lt(3, 1);
+     * // => false
+     */
+      function lt(value, other) {
+        return value < other;
+      }
+      /**
+     * Checks if `value` is less than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than or equal to `other`, else `false`.
+     * @example
+     *
+     * _.lte(1, 3);
+     * // => true
+     *
+     * _.lte(3, 3);
+     * // => true
+     *
+     * _.lte(3, 1);
+     * // => false
+     */
+      function lte(value, other) {
+        return value <= other;
+      }
+      /**
+     * Converts `value` to an array.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the converted array.
+     * @example
+     *
+     * (function() {
+     *   return _.toArray(arguments).slice(1);
+     * }(1, 2, 3));
+     * // => [2, 3]
+     */
+      function toArray(value) {
+        var length = value ? getLength(value) : 0;
+        if (!isLength(length)) {
+          return values(value);
+        }
+        if (!length) {
+          return [];
+        }
+        return arrayCopy(value);
+      }
+      /**
+     * Converts `value` to a plain object flattening inherited enumerable
+     * properties of `value` to own properties of the plain object.
+     *
+     * @static
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Object} Returns the converted plain object.
+     * @example
+     *
+     * function Foo() {
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.assign({ 'a': 1 }, new Foo);
+     * // => { 'a': 1, 'b': 2 }
+     *
+     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+     * // => { 'a': 1, 'b': 2, 'c': 3 }
+     */
+      function toPlainObject(value) {
+        return baseCopy(value, keysIn(value));
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Recursively merges own enumerable properties of the source object(s), that
+     * don't resolve to `undefined` into the destination object. Subsequent sources
+     * overwrite property assignments of previous sources. If `customizer` is
+     * provided it's invoked to produce the merged values of the destination and
+     * source properties. If `customizer` returns `undefined` merging is handled
+     * by the method instead. The `customizer` is bound to `thisArg` and invoked
+     * with five arguments: (objectValue, sourceValue, key, object, source).
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var users = {
+     *   'data': [{ 'user': 'barney' }, { 'user': 'fred' }]
+     * };
+     *
+     * var ages = {
+     *   'data': [{ 'age': 36 }, { 'age': 40 }]
+     * };
+     *
+     * _.merge(users, ages);
+     * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }
+     *
+     * // using a customizer callback
+     * var object = {
+     *   'fruits': ['apple'],
+     *   'vegetables': ['beet']
+     * };
+     *
+     * var other = {
+     *   'fruits': ['banana'],
+     *   'vegetables': ['carrot']
+     * };
+     *
+     * _.merge(object, other, function(a, b) {
+     *   if (_.isArray(a)) {
+     *     return a.concat(b);
+     *   }
+     * });
+     * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }
+     */
+      var merge = createAssigner(baseMerge);
+      /**
+     * Assigns own enumerable properties of source object(s) to the destination
+     * object. Subsequent sources overwrite property assignments of previous sources.
+     * If `customizer` is provided it's invoked to produce the assigned values.
+     * The `customizer` is bound to `thisArg` and invoked with five arguments:
+     * (objectValue, sourceValue, key, object, source).
+     *
+     * **Note:** This method mutates `object` and is based on
+     * [`Object.assign`](http://ecma-international.org/ecma-262/6.0/#sec-object.assign).
+     *
+     * @static
+     * @memberOf _
+     * @alias extend
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @param {*} [thisArg] The `this` binding of `customizer`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * _.assign({ 'user': 'barney' }, { 'age': 40 }, { 'user': 'fred' });
+     * // => { 'user': 'fred', 'age': 40 }
+     *
+     * // using a customizer callback
+     * var defaults = _.partialRight(_.assign, function(value, other) {
+     *   return _.isUndefined(value) ? other : value;
+     * });
+     *
+     * defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
+     * // => { 'user': 'barney', 'age': 36 }
+     */
+      var assign = createAssigner(function (object, source, customizer) {
+          return customizer ? assignWith(object, source, customizer) : baseAssign(object, source);
+        });
+      /**
+     * Creates an object that inherits from the given `prototype` object. If a
+     * `properties` object is provided its own enumerable properties are assigned
+     * to the created object.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} prototype The object to inherit from.
+     * @param {Object} [properties] The properties to assign to the object.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * function Shape() {
+     *   this.x = 0;
+     *   this.y = 0;
+     * }
+     *
+     * function Circle() {
+     *   Shape.call(this);
+     * }
+     *
+     * Circle.prototype = _.create(Shape.prototype, {
+     *   'constructor': Circle
+     * });
+     *
+     * var circle = new Circle;
+     * circle instanceof Circle;
+     * // => true
+     *
+     * circle instanceof Shape;
+     * // => true
+     */
+      function create(prototype, properties, guard) {
+        var result = baseCreate(prototype);
+        if (guard && isIterateeCall(prototype, properties, guard)) {
+          properties = undefined;
+        }
+        return properties ? baseAssign(result, properties) : result;
+      }
+      /**
+     * Assigns own enumerable properties of source object(s) to the destination
+     * object for all destination properties that resolve to `undefined`. Once a
+     * property is set, additional values of the same property are ignored.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
+     * // => { 'user': 'barney', 'age': 36 }
+     */
+      var defaults = createDefaults(assign, assignDefaults);
+      /**
+     * This method is like `_.defaults` except that it recursively assigns
+     * default properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * _.defaultsDeep({ 'user': { 'name': 'barney' } }, { 'user': { 'name': 'fred', 'age': 36 } });
+     * // => { 'user': { 'name': 'barney', 'age': 36 } }
+     *
+     */
+      var defaultsDeep = createDefaults(merge, mergeDefaults);
+      /**
+     * This method is like `_.find` except that it returns the key of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {string|undefined} Returns the key of the matched element, else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findKey(users, function(chr) {
+     *   return chr.age < 40;
+     * });
+     * // => 'barney' (iteration order is not guaranteed)
+     *
+     * // using the `_.matches` callback shorthand
+     * _.findKey(users, { 'age': 1, 'active': true });
+     * // => 'pebbles'
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.findKey(users, 'active', false);
+     * // => 'fred'
+     *
+     * // using the `_.property` callback shorthand
+     * _.findKey(users, 'active');
+     * // => 'barney'
+     */
+      var findKey = createFindKey(baseForOwn);
+      /**
+     * This method is like `_.findKey` except that it iterates over elements of
+     * a collection in the opposite order.
+     *
+     * If a property name is provided for `predicate` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `predicate` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to search.
+     * @param {Function|Object|string} [predicate=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {string|undefined} Returns the key of the matched element, else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findLastKey(users, function(chr) {
+     *   return chr.age < 40;
+     * });
+     * // => returns `pebbles` assuming `_.findKey` returns `barney`
+     *
+     * // using the `_.matches` callback shorthand
+     * _.findLastKey(users, { 'age': 36, 'active': true });
+     * // => 'barney'
+     *
+     * // using the `_.matchesProperty` callback shorthand
+     * _.findLastKey(users, 'active', false);
+     * // => 'fred'
+     *
+     * // using the `_.property` callback shorthand
+     * _.findLastKey(users, 'active');
+     * // => 'pebbles'
+     */
+      var findLastKey = createFindKey(baseForOwnRight);
+      /**
+     * Iterates over own and inherited enumerable properties of an object invoking
+     * `iteratee` for each property. The `iteratee` is bound to `thisArg` and invoked
+     * with three arguments: (value, key, object). Iteratee functions may exit
+     * iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forIn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => logs 'a', 'b', and 'c' (iteration order is not guaranteed)
+     */
+      var forIn = createForIn(baseFor);
+      /**
+     * This method is like `_.forIn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forInRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => logs 'c', 'b', and 'a' assuming `_.forIn ` logs 'a', 'b', and 'c'
+     */
+      var forInRight = createForIn(baseForRight);
+      /**
+     * Iterates over own enumerable properties of an object invoking `iteratee`
+     * for each property. The `iteratee` is bound to `thisArg` and invoked with
+     * three arguments: (value, key, object). Iteratee functions may exit iteration
+     * early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => logs 'a' and 'b' (iteration order is not guaranteed)
+     */
+      var forOwn = createForOwn(baseForOwn);
+      /**
+     * This method is like `_.forOwn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwnRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => logs 'b' and 'a' assuming `_.forOwn` logs 'a' and 'b'
+     */
+      var forOwnRight = createForOwn(baseForOwnRight);
+      /**
+     * Creates an array of function property names from all enumerable properties,
+     * own and inherited, of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @alias methods
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the new array of property names.
+     * @example
+     *
+     * _.functions(_);
+     * // => ['after', 'ary', 'assign', ...]
+     */
+      function functions(object) {
+        return baseFunctions(object, keysIn(object));
+      }
+      /**
+     * Gets the property value at `path` of `object`. If the resolved value is
+     * `undefined` the `defaultValue` is used in its place.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.get(object, 'a[0].b.c');
+     * // => 3
+     *
+     * _.get(object, ['a', '0', 'b', 'c']);
+     * // => 3
+     *
+     * _.get(object, 'a.b.c', 'default');
+     * // => 'default'
+     */
+      function get(object, path, defaultValue) {
+        var result = object == null ? undefined : baseGet(object, toPath(path), path + '');
+        return result === undefined ? defaultValue : result;
+      }
+      /**
+     * Checks if `path` is a direct property.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` is a direct property, else `false`.
+     * @example
+     *
+     * var object = { 'a': { 'b': { 'c': 3 } } };
+     *
+     * _.has(object, 'a');
+     * // => true
+     *
+     * _.has(object, 'a.b.c');
+     * // => true
+     *
+     * _.has(object, ['a', 'b', 'c']);
+     * // => true
+     */
+      function has(object, path) {
+        if (object == null) {
+          return false;
+        }
+        var result = hasOwnProperty.call(object, path);
+        if (!result && !isKey(path)) {
+          path = toPath(path);
+          object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
+          if (object == null) {
+            return false;
+          }
+          path = last(path);
+          result = hasOwnProperty.call(object, path);
+        }
+        return result || isLength(object.length) && isIndex(path, object.length) && (isArray(object) || isArguments(object));
+      }
+      /**
+     * Creates an object composed of the inverted keys and values of `object`.
+     * If `object` contains duplicate values, subsequent values overwrite property
+     * assignments of previous values unless `multiValue` is `true`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @param {boolean} [multiValue] Allow multiple values per key.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invert(object);
+     * // => { '1': 'c', '2': 'b' }
+     *
+     * // with `multiValue`
+     * _.invert(object, true);
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     */
+      function invert(object, multiValue, guard) {
+        if (guard && isIterateeCall(object, multiValue, guard)) {
+          multiValue = undefined;
+        }
+        var index = -1, props = keys(object), length = props.length, result = {};
+        while (++index < length) {
+          var key = props[index], value = object[key];
+          if (multiValue) {
+            if (hasOwnProperty.call(result, value)) {
+              result[value].push(key);
+            } else {
+              result[value] = [key];
+            }
+          } else {
+            result[value] = key;
+          }
+        }
+        return result;
+      }
+      /**
+     * Creates an array of the own enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects. See the
+     * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
+     * for more details.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keys(new Foo);
+     * // => ['a', 'b'] (iteration order is not guaranteed)
+     *
+     * _.keys('hi');
+     * // => ['0', '1']
+     */
+      var keys = !nativeKeys ? shimKeys : function (object) {
+          var Ctor = object == null ? undefined : object.constructor;
+          if (typeof Ctor == 'function' && Ctor.prototype === object || typeof object != 'function' && isArrayLike(object)) {
+            return shimKeys(object);
+          }
+          return isObject(object) ? nativeKeys(object) : [];
+        };
+      /**
+     * Creates an array of the own and inherited enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keysIn(new Foo);
+     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+     */
+      function keysIn(object) {
+        if (object == null) {
+          return [];
+        }
+        if (!isObject(object)) {
+          object = Object(object);
+        }
+        var length = object.length;
+        length = length && isLength(length) && (isArray(object) || isArguments(object)) && length || 0;
+        var Ctor = object.constructor, index = -1, isProto = typeof Ctor == 'function' && Ctor.prototype === object, result = Array(length), skipIndexes = length > 0;
+        while (++index < length) {
+          result[index] = index + '';
+        }
+        for (var key in object) {
+          if (!(skipIndexes && isIndex(key, length)) && !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+            result.push(key);
+          }
+        }
+        return result;
+      }
+      /**
+     * The opposite of `_.mapValues`; this method creates an object with the
+     * same values as `object` and keys generated by running each own enumerable
+     * property of `object` through `iteratee`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns the new mapped object.
+     * @example
+     *
+     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   return key + value;
+     * });
+     * // => { 'a1': 1, 'b2': 2 }
+     */
+      var mapKeys = createObjectMapper(true);
+      /**
+     * Creates an object with the same keys as `object` and values generated by
+     * running each own enumerable property of `object` through `iteratee`. The
+     * iteratee function is bound to `thisArg` and invoked with three arguments:
+     * (value, key, object).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function|Object|string} [iteratee=_.identity] The function invoked
+     *  per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Object} Returns the new mapped object.
+     * @example
+     *
+     * _.mapValues({ 'a': 1, 'b': 2 }, function(n) {
+     *   return n * 3;
+     * });
+     * // => { 'a': 3, 'b': 6 }
+     *
+     * var users = {
+     *   'fred':    { 'user': 'fred',    'age': 40 },
+     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+     * };
+     *
+     * // using the `_.property` callback shorthand
+     * _.mapValues(users, 'age');
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     */
+      var mapValues = createObjectMapper();
+      /**
+     * The opposite of `_.pick`; this method creates an object composed of the
+     * own and inherited enumerable properties of `object` that are not omitted.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function|...(string|string[])} [predicate] The function invoked per
+     *  iteration or property names to omit, specified as individual property
+     *  names or arrays of property names.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'user': 'fred', 'age': 40 };
+     *
+     * _.omit(object, 'age');
+     * // => { 'user': 'fred' }
+     *
+     * _.omit(object, _.isNumber);
+     * // => { 'user': 'fred' }
+     */
+      var omit = restParam(function (object, props) {
+          if (object == null) {
+            return {};
+          }
+          if (typeof props[0] != 'function') {
+            var props = arrayMap(baseFlatten(props), String);
+            return pickByArray(object, baseDifference(keysIn(object), props));
+          }
+          var predicate = bindCallback(props[0], props[1], 3);
+          return pickByCallback(object, function (value, key, object) {
+            return !predicate(value, key, object);
+          });
+        });
+      /**
+     * Creates a two dimensional array of the key-value pairs for `object`,
+     * e.g. `[[key1, value1], [key2, value2]]`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the new array of key-value pairs.
+     * @example
+     *
+     * _.pairs({ 'barney': 36, 'fred': 40 });
+     * // => [['barney', 36], ['fred', 40]] (iteration order is not guaranteed)
+     */
+      function pairs(object) {
+        object = toObject(object);
+        var index = -1, props = keys(object), length = props.length, result = Array(length);
+        while (++index < length) {
+          var key = props[index];
+          result[index] = [
+            key,
+            object[key]
+          ];
+        }
+        return result;
+      }
+      /**
+     * Creates an object composed of the picked `object` properties. Property
+     * names may be specified as individual arguments or as arrays of property
+     * names. If `predicate` is provided it's invoked for each property of `object`
+     * picking the properties `predicate` returns truthy for. The predicate is
+     * bound to `thisArg` and invoked with three arguments: (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function|...(string|string[])} [predicate] The function invoked per
+     *  iteration or property names to pick, specified as individual property
+     *  names or arrays of property names.
+     * @param {*} [thisArg] The `this` binding of `predicate`.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'user': 'fred', 'age': 40 };
+     *
+     * _.pick(object, 'user');
+     * // => { 'user': 'fred' }
+     *
+     * _.pick(object, _.isString);
+     * // => { 'user': 'fred' }
+     */
+      var pick = restParam(function (object, props) {
+          if (object == null) {
+            return {};
+          }
+          return typeof props[0] == 'function' ? pickByCallback(object, bindCallback(props[0], props[1], 3)) : pickByArray(object, baseFlatten(props));
+        });
+      /**
+     * This method is like `_.get` except that if the resolved value is a function
+     * it's invoked with the `this` binding of its parent object and its result
+     * is returned.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to resolve.
+     * @param {*} [defaultValue] The value returned if the resolved value is `undefined`.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+     *
+     * _.result(object, 'a[0].b.c1');
+     * // => 3
+     *
+     * _.result(object, 'a[0].b.c2');
+     * // => 4
+     *
+     * _.result(object, 'a.b.c', 'default');
+     * // => 'default'
+     *
+     * _.result(object, 'a.b.c', _.constant('default'));
+     * // => 'default'
+     */
+      function result(object, path, defaultValue) {
+        var result = object == null ? undefined : object[path];
+        if (result === undefined) {
+          if (object != null && !isKey(path, object)) {
+            path = toPath(path);
+            object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
+            result = object == null ? undefined : object[last(path)];
+          }
+          result = result === undefined ? defaultValue : result;
+        }
+        return isFunction(result) ? result.call(object) : result;
+      }
+      /**
+     * Sets the property value of `path` on `object`. If a portion of `path`
+     * does not exist it's created.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to augment.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.set(object, 'a[0].b.c', 4);
+     * console.log(object.a[0].b.c);
+     * // => 4
+     *
+     * _.set(object, 'x[0].y.z', 5);
+     * console.log(object.x[0].y.z);
+     * // => 5
+     */
+      function set(object, path, value) {
+        if (object == null) {
+          return object;
+        }
+        var pathKey = path + '';
+        path = object[pathKey] != null || isKey(path, object) ? [pathKey] : toPath(path);
+        var index = -1, length = path.length, lastIndex = length - 1, nested = object;
+        while (nested != null && ++index < length) {
+          var key = path[index];
+          if (isObject(nested)) {
+            if (index == lastIndex) {
+              nested[key] = value;
+            } else if (nested[key] == null) {
+              nested[key] = isIndex(path[index + 1]) ? [] : {};
+            }
+          }
+          nested = nested[key];
+        }
+        return object;
+      }
+      /**
+     * An alternative to `_.reduce`; this method transforms `object` to a new
+     * `accumulator` object which is the result of running each of its own enumerable
+     * properties through `iteratee`, with each invocation potentially mutating
+     * the `accumulator` object. The `iteratee` is bound to `thisArg` and invoked
+     * with four arguments: (accumulator, value, key, object). Iteratee functions
+     * may exit iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Array|Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The custom accumulator value.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * _.transform([2, 3, 4], function(result, n) {
+     *   result.push(n *= n);
+     *   return n % 2 == 0;
+     * });
+     * // => [4, 9]
+     *
+     * _.transform({ 'a': 1, 'b': 2 }, function(result, n, key) {
+     *   result[key] = n * 3;
+     * });
+     * // => { 'a': 3, 'b': 6 }
+     */
+      function transform(object, iteratee, accumulator, thisArg) {
+        var isArr = isArray(object) || isTypedArray(object);
+        iteratee = getCallback(iteratee, thisArg, 4);
+        if (accumulator == null) {
+          if (isArr || isObject(object)) {
+            var Ctor = object.constructor;
+            if (isArr) {
+              accumulator = isArray(object) ? new Ctor() : [];
+            } else {
+              accumulator = baseCreate(isFunction(Ctor) ? Ctor.prototype : undefined);
+            }
+          } else {
+            accumulator = {};
+          }
+        }
+        (isArr ? arrayEach : baseForOwn)(object, function (value, index, object) {
+          return iteratee(accumulator, value, index, object);
+        });
+        return accumulator;
+      }
+      /**
+     * Creates an array of the own enumerable property values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.values(new Foo);
+     * // => [1, 2] (iteration order is not guaranteed)
+     *
+     * _.values('hi');
+     * // => ['h', 'i']
+     */
+      function values(object) {
+        return baseValues(object, keys(object));
+      }
+      /**
+     * Creates an array of the own and inherited enumerable property values
+     * of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.valuesIn(new Foo);
+     * // => [1, 2, 3] (iteration order is not guaranteed)
+     */
+      function valuesIn(object) {
+        return baseValues(object, keysIn(object));
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Checks if `n` is between `start` and up to but not including, `end`. If
+     * `end` is not specified it's set to `start` with `start` then set to `0`.
+     *
+     * @static
+     * @memberOf _
+     * @category Number
+     * @param {number} n The number to check.
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `n` is in the range, else `false`.
+     * @example
+     *
+     * _.inRange(3, 2, 4);
+     * // => true
+     *
+     * _.inRange(4, 8);
+     * // => true
+     *
+     * _.inRange(4, 2);
+     * // => false
+     *
+     * _.inRange(2, 2);
+     * // => false
+     *
+     * _.inRange(1.2, 2);
+     * // => true
+     *
+     * _.inRange(5.2, 4);
+     * // => false
+     */
+      function inRange(value, start, end) {
+        start = +start || 0;
+        if (end === undefined) {
+          end = start;
+          start = 0;
+        } else {
+          end = +end || 0;
+        }
+        return value >= nativeMin(start, end) && value < nativeMax(start, end);
+      }
+      /**
+     * Produces a random number between `min` and `max` (inclusive). If only one
+     * argument is provided a number between `0` and the given number is returned.
+     * If `floating` is `true`, or either `min` or `max` are floats, a floating-point
+     * number is returned instead of an integer.
+     *
+     * @static
+     * @memberOf _
+     * @category Number
+     * @param {number} [min=0] The minimum possible value.
+     * @param {number} [max=1] The maximum possible value.
+     * @param {boolean} [floating] Specify returning a floating-point number.
+     * @returns {number} Returns the random number.
+     * @example
+     *
+     * _.random(0, 5);
+     * // => an integer between 0 and 5
+     *
+     * _.random(5);
+     * // => also an integer between 0 and 5
+     *
+     * _.random(5, true);
+     * // => a floating-point number between 0 and 5
+     *
+     * _.random(1.2, 5.2);
+     * // => a floating-point number between 1.2 and 5.2
+     */
+      function random(min, max, floating) {
+        if (floating && isIterateeCall(min, max, floating)) {
+          max = floating = undefined;
+        }
+        var noMin = min == null, noMax = max == null;
+        if (floating == null) {
+          if (noMax && typeof min == 'boolean') {
+            floating = min;
+            min = 1;
+          } else if (typeof max == 'boolean') {
+            floating = max;
+            noMax = true;
+          }
+        }
+        if (noMin && noMax) {
+          max = 1;
+          noMax = false;
+        }
+        min = +min || 0;
+        if (noMax) {
+          max = min;
+          min = 0;
+        } else {
+          max = +max || 0;
+        }
+        if (floating || min % 1 || max % 1) {
+          var rand = nativeRandom();
+          return nativeMin(min + rand * (max - min + parseFloat('1e-' + ((rand + '').length - 1))), max);
+        }
+        return baseRandom(min, max);
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the camel cased string.
+     * @example
+     *
+     * _.camelCase('Foo Bar');
+     * // => 'fooBar'
+     *
+     * _.camelCase('--foo-bar');
+     * // => 'fooBar'
+     *
+     * _.camelCase('__foo_bar__');
+     * // => 'fooBar'
+     */
+      var camelCase = createCompounder(function (result, word, index) {
+          word = word.toLowerCase();
+          return result + (index ? word.charAt(0).toUpperCase() + word.slice(1) : word);
+        });
+      /**
+     * Capitalizes the first character of `string`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to capitalize.
+     * @returns {string} Returns the capitalized string.
+     * @example
+     *
+     * _.capitalize('fred');
+     * // => 'Fred'
+     */
+      function capitalize(string) {
+        string = baseToString(string);
+        return string && string.charAt(0).toUpperCase() + string.slice(1);
+      }
+      /**
+     * Deburrs `string` by converting [latin-1 supplementary letters](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+     * to basic latin letters and removing [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to deburr.
+     * @returns {string} Returns the deburred string.
+     * @example
+     *
+     * _.deburr('déjà vu');
+     * // => 'deja vu'
+     */
+      function deburr(string) {
+        string = baseToString(string);
+        return string && string.replace(reLatin1, deburrLetter).replace(reComboMark, '');
+      }
+      /**
+     * Checks if `string` ends with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to search.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=string.length] The position to search from.
+     * @returns {boolean} Returns `true` if `string` ends with `target`, else `false`.
+     * @example
+     *
+     * _.endsWith('abc', 'c');
+     * // => true
+     *
+     * _.endsWith('abc', 'b');
+     * // => false
+     *
+     * _.endsWith('abc', 'b', 2);
+     * // => true
+     */
+      function endsWith(string, target, position) {
+        string = baseToString(string);
+        target = target + '';
+        var length = string.length;
+        position = position === undefined ? length : nativeMin(position < 0 ? 0 : +position || 0, length);
+        position -= target.length;
+        return position >= 0 && string.indexOf(target, position) == position;
+      }
+      /**
+     * Converts the characters "&", "<", ">", '"', "'", and "\`", in `string` to
+     * their corresponding HTML entities.
+     *
+     * **Note:** No other characters are escaped. To escape additional characters
+     * use a third-party library like [_he_](https://mths.be/he).
+     *
+     * Though the ">" character is escaped for symmetry, characters like
+     * ">" and "/" don't need escaping in HTML and have no special meaning
+     * unless they're part of a tag or unquoted attribute value.
+     * See [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+     * (under "semi-related fun fact") for more details.
+     *
+     * Backticks are escaped because in Internet Explorer < 9, they can break out
+     * of attribute values or HTML comments. See [#59](https://html5sec.org/#59),
+     * [#102](https://html5sec.org/#102), [#108](https://html5sec.org/#108), and
+     * [#133](https://html5sec.org/#133) of the [HTML5 Security Cheatsheet](https://html5sec.org/)
+     * for more details.
+     *
+     * When working with HTML you should always [quote attribute values](http://wonko.com/post/html-escaping)
+     * to reduce XSS vectors.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escape('fred, barney, & pebbles');
+     * // => 'fred, barney, &amp; pebbles'
+     */
+      function escape(string) {
+        // Reset `lastIndex` because in IE < 9 `String#replace` does not.
+        string = baseToString(string);
+        return string && reHasUnescapedHtml.test(string) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string;
+      }
+      /**
+     * Escapes the `RegExp` special characters "\", "/", "^", "$", ".", "|", "?",
+     * "*", "+", "(", ")", "[", "]", "{" and "}" in `string`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escapeRegExp('[lodash](https://lodash.com/)');
+     * // => '\[lodash\]\(https:\/\/lodash\.com\/\)'
+     */
+      function escapeRegExp(string) {
+        string = baseToString(string);
+        return string && reHasRegExpChars.test(string) ? string.replace(reRegExpChars, escapeRegExpChar) : string || '(?:)';
+      }
+      /**
+     * Converts `string` to [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the kebab cased string.
+     * @example
+     *
+     * _.kebabCase('Foo Bar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('fooBar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('__foo_bar__');
+     * // => 'foo-bar'
+     */
+      var kebabCase = createCompounder(function (result, word, index) {
+          return result + (index ? '-' : '') + word.toLowerCase();
+        });
+      /**
+     * Pads `string` on the left and right sides if it's shorter than `length`.
+     * Padding characters are truncated if they can't be evenly divided by `length`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.pad('abc', 8);
+     * // => '  abc   '
+     *
+     * _.pad('abc', 8, '_-');
+     * // => '_-abc_-_'
+     *
+     * _.pad('abc', 3);
+     * // => 'abc'
+     */
+      function pad(string, length, chars) {
+        string = baseToString(string);
+        length = +length;
+        var strLength = string.length;
+        if (strLength >= length || !nativeIsFinite(length)) {
+          return string;
+        }
+        var mid = (length - strLength) / 2, leftLength = nativeFloor(mid), rightLength = nativeCeil(mid);
+        chars = createPadding('', rightLength, chars);
+        return chars.slice(0, leftLength) + string + chars;
+      }
+      /**
+     * Pads `string` on the left side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padLeft('abc', 6);
+     * // => '   abc'
+     *
+     * _.padLeft('abc', 6, '_-');
+     * // => '_-_abc'
+     *
+     * _.padLeft('abc', 3);
+     * // => 'abc'
+     */
+      var padLeft = createPadDir();
+      /**
+     * Pads `string` on the right side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padRight('abc', 6);
+     * // => 'abc   '
+     *
+     * _.padRight('abc', 6, '_-');
+     * // => 'abc_-_'
+     *
+     * _.padRight('abc', 3);
+     * // => 'abc'
+     */
+      var padRight = createPadDir(true);
+      /**
+     * Converts `string` to an integer of the specified radix. If `radix` is
+     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a hexadecimal,
+     * in which case a `radix` of `16` is used.
+     *
+     * **Note:** This method aligns with the [ES5 implementation](https://es5.github.io/#E)
+     * of `parseInt`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} string The string to convert.
+     * @param {number} [radix] The radix to interpret `value` by.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.parseInt('08');
+     * // => 8
+     *
+     * _.map(['6', '08', '10'], _.parseInt);
+     * // => [6, 8, 10]
+     */
+      function parseInt(string, radix, guard) {
+        // Firefox < 21 and Opera < 15 follow ES3 for `parseInt`.
+        // Chrome fails to trim leading <BOM> whitespace characters.
+        // See https://code.google.com/p/v8/issues/detail?id=3109 for more details.
+        if (guard ? isIterateeCall(string, radix, guard) : radix == null) {
+          radix = 0;
+        } else if (radix) {
+          radix = +radix;
+        }
+        string = trim(string);
+        return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10));
+      }
+      /**
+     * Repeats the given string `n` times.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to repeat.
+     * @param {number} [n=0] The number of times to repeat the string.
+     * @returns {string} Returns the repeated string.
+     * @example
+     *
+     * _.repeat('*', 3);
+     * // => '***'
+     *
+     * _.repeat('abc', 2);
+     * // => 'abcabc'
+     *
+     * _.repeat('abc', 0);
+     * // => ''
+     */
+      function repeat(string, n) {
+        var result = '';
+        string = baseToString(string);
+        n = +n;
+        if (n < 1 || !string || !nativeIsFinite(n)) {
+          return result;
+        }
+        // Leverage the exponentiation by squaring algorithm for a faster repeat.
+        // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+        do {
+          if (n % 2) {
+            result += string;
+          }
+          n = nativeFloor(n / 2);
+          string += string;
+        } while (n);
+        return result;
+      }
+      /**
+     * Converts `string` to [snake case](https://en.wikipedia.org/wiki/Snake_case).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the snake cased string.
+     * @example
+     *
+     * _.snakeCase('Foo Bar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('fooBar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('--foo-bar');
+     * // => 'foo_bar'
+     */
+      var snakeCase = createCompounder(function (result, word, index) {
+          return result + (index ? '_' : '') + word.toLowerCase();
+        });
+      /**
+     * Converts `string` to [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the start cased string.
+     * @example
+     *
+     * _.startCase('--foo-bar');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('fooBar');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('__foo_bar__');
+     * // => 'Foo Bar'
+     */
+      var startCase = createCompounder(function (result, word, index) {
+          return result + (index ? ' ' : '') + (word.charAt(0).toUpperCase() + word.slice(1));
+        });
+      /**
+     * Checks if `string` starts with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to search.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=0] The position to search from.
+     * @returns {boolean} Returns `true` if `string` starts with `target`, else `false`.
+     * @example
+     *
+     * _.startsWith('abc', 'a');
+     * // => true
+     *
+     * _.startsWith('abc', 'b');
+     * // => false
+     *
+     * _.startsWith('abc', 'b', 1);
+     * // => true
+     */
+      function startsWith(string, target, position) {
+        string = baseToString(string);
+        position = position == null ? 0 : nativeMin(position < 0 ? 0 : +position || 0, string.length);
+        return string.lastIndexOf(target, position) == position;
+      }
+      /**
+     * Creates a compiled template function that can interpolate data properties
+     * in "interpolate" delimiters, HTML-escape interpolated data properties in
+     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+     * properties may be accessed as free variables in the template. If a setting
+     * object is provided it takes precedence over `_.templateSettings` values.
+     *
+     * **Note:** In the development build `_.template` utilizes
+     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+     * for easier debugging.
+     *
+     * For more information on precompiling templates see
+     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+     *
+     * For more information on Chrome extension sandboxes see
+     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The template string.
+     * @param {Object} [options] The options object.
+     * @param {RegExp} [options.escape] The HTML "escape" delimiter.
+     * @param {RegExp} [options.evaluate] The "evaluate" delimiter.
+     * @param {Object} [options.imports] An object to import into the template as free variables.
+     * @param {RegExp} [options.interpolate] The "interpolate" delimiter.
+     * @param {string} [options.sourceURL] The sourceURL of the template's compiled source.
+     * @param {string} [options.variable] The data object variable name.
+     * @param- {Object} [otherOptions] Enables the legacy `options` param signature.
+     * @returns {Function} Returns the compiled template function.
+     * @example
+     *
+     * // using the "interpolate" delimiter to create a compiled template
+     * var compiled = _.template('hello <%= user %>!');
+     * compiled({ 'user': 'fred' });
+     * // => 'hello fred!'
+     *
+     * // using the HTML "escape" delimiter to escape data property values
+     * var compiled = _.template('<b><%- value %></b>');
+     * compiled({ 'value': '<script>' });
+     * // => '<b>&lt;script&gt;</b>'
+     *
+     * // using the "evaluate" delimiter to execute JavaScript and generate HTML
+     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // using the internal `print` function in "evaluate" delimiters
+     * var compiled = _.template('<% print("hello " + user); %>!');
+     * compiled({ 'user': 'barney' });
+     * // => 'hello barney!'
+     *
+     * // using the ES delimiter as an alternative to the default "interpolate" delimiter
+     * var compiled = _.template('hello ${ user }!');
+     * compiled({ 'user': 'pebbles' });
+     * // => 'hello pebbles!'
+     *
+     * // using custom template delimiters
+     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+     * var compiled = _.template('hello {{ user }}!');
+     * compiled({ 'user': 'mustache' });
+     * // => 'hello mustache!'
+     *
+     * // using backslashes to treat delimiters as plain text
+     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+     * compiled({ 'value': 'ignored' });
+     * // => '<%- value %>'
+     *
+     * // using the `imports` option to import `jQuery` as `jq`
+     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // using the `sourceURL` option to specify a custom sourceURL for the template
+     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+     * compiled(data);
+     * // => find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector
+     *
+     * // using the `variable` option to ensure a with-statement isn't used in the compiled template
+     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+     * compiled.source;
+     * // => function(data) {
+     * //   var __t, __p = '';
+     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+     * //   return __p;
+     * // }
+     *
+     * // using the `source` property to inline compiled templates for meaningful
+     * // line numbers in error messages and a stack trace
+     * fs.writeFileSync(path.join(cwd, 'jst.js'), '\
+     *   var JST = {\
+     *     "main": ' + _.template(mainText).source + '\
+     *   };\
+     * ');
+     */
+      function template(string, options, otherOptions) {
+        // Based on John Resig's `tmpl` implementation (http://ejohn.org/blog/javascript-micro-templating/)
+        // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+        var settings = lodash.templateSettings;
+        if (otherOptions && isIterateeCall(string, options, otherOptions)) {
+          options = otherOptions = undefined;
+        }
+        string = baseToString(string);
+        options = assignWith(baseAssign({}, otherOptions || options), settings, assignOwnDefaults);
+        var imports = assignWith(baseAssign({}, options.imports), settings.imports, assignOwnDefaults), importsKeys = keys(imports), importsValues = baseValues(imports, importsKeys);
+        var isEscaping, isEvaluating, index = 0, interpolate = options.interpolate || reNoMatch, source = '__p += \'';
+        // Compile the regexp to match each delimiter.
+        var reDelimiters = RegExp((options.escape || reNoMatch).source + '|' + interpolate.source + '|' + (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' + (options.evaluate || reNoMatch).source + '|$', 'g');
+        // Use a sourceURL for easier debugging.
+        var sourceURL = '//# sourceURL=' + ('sourceURL' in options ? options.sourceURL : 'lodash.templateSources[' + ++templateCounter + ']') + '\n';
+        string.replace(reDelimiters, function (match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+          interpolateValue || (interpolateValue = esTemplateValue);
+          // Escape characters that can't be included in string literals.
+          source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+          // Replace delimiters with snippets.
+          if (escapeValue) {
+            isEscaping = true;
+            source += '\' +\n__e(' + escapeValue + ') +\n\'';
+          }
+          if (evaluateValue) {
+            isEvaluating = true;
+            source += '\';\n' + evaluateValue + ';\n__p += \'';
+          }
+          if (interpolateValue) {
+            source += '\' +\n((__t = (' + interpolateValue + ')) == null ? \'\' : __t) +\n\'';
+          }
+          index = offset + match.length;
+          // The JS engine embedded in Adobe products requires returning the `match`
+          // string in order to produce the correct `offset` value.
+          return match;
+        });
+        source += '\';\n';
+        // If `variable` is not specified wrap a with-statement around the generated
+        // code to add the data object to the top of the scope chain.
+        var variable = options.variable;
+        if (!variable) {
+          source = 'with (obj) {\n' + source + '\n}\n';
+        }
+        // Cleanup code by stripping empty strings.
+        source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source).replace(reEmptyStringMiddle, '$1').replace(reEmptyStringTrailing, '$1;');
+        // Frame code as the function body.
+        source = 'function(' + (variable || 'obj') + ') {\n' + (variable ? '' : 'obj || (obj = {});\n') + 'var __t, __p = \'\'' + (isEscaping ? ', __e = _.escape' : '') + (isEvaluating ? ', __j = Array.prototype.join;\n' + 'function print() { __p += __j.call(arguments, \'\') }\n' : ';\n') + source + 'return __p\n}';
+        var result = attempt(function () {
+            return Function(importsKeys, sourceURL + 'return ' + source).apply(undefined, importsValues);
+          });
+        // Provide the compiled function's source by its `toString` method or
+        // the `source` property as a convenience for inlining compiled templates.
+        result.source = source;
+        if (isError(result)) {
+          throw result;
+        }
+        return result;
+      }
+      /**
+     * Removes leading and trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trim('  abc  ');
+     * // => 'abc'
+     *
+     * _.trim('-_-abc-_-', '_-');
+     * // => 'abc'
+     *
+     * _.map(['  foo  ', '  bar  '], _.trim);
+     * // => ['foo', 'bar']
+     */
+      function trim(string, chars, guard) {
+        var value = string;
+        string = baseToString(string);
+        if (!string) {
+          return string;
+        }
+        if (guard ? isIterateeCall(value, chars, guard) : chars == null) {
+          return string.slice(trimmedLeftIndex(string), trimmedRightIndex(string) + 1);
+        }
+        chars = chars + '';
+        return string.slice(charsLeftIndex(string, chars), charsRightIndex(string, chars) + 1);
+      }
+      /**
+     * Removes leading whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimLeft('  abc  ');
+     * // => 'abc  '
+     *
+     * _.trimLeft('-_-abc-_-', '_-');
+     * // => 'abc-_-'
+     */
+      function trimLeft(string, chars, guard) {
+        var value = string;
+        string = baseToString(string);
+        if (!string) {
+          return string;
+        }
+        if (guard ? isIterateeCall(value, chars, guard) : chars == null) {
+          return string.slice(trimmedLeftIndex(string));
+        }
+        return string.slice(charsLeftIndex(string, chars + ''));
+      }
+      /**
+     * Removes trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimRight('  abc  ');
+     * // => '  abc'
+     *
+     * _.trimRight('-_-abc-_-', '_-');
+     * // => '-_-abc'
+     */
+      function trimRight(string, chars, guard) {
+        var value = string;
+        string = baseToString(string);
+        if (!string) {
+          return string;
+        }
+        if (guard ? isIterateeCall(value, chars, guard) : chars == null) {
+          return string.slice(0, trimmedRightIndex(string) + 1);
+        }
+        return string.slice(0, charsRightIndex(string, chars + '') + 1);
+      }
+      /**
+     * Truncates `string` if it's longer than the given maximum string length.
+     * The last characters of the truncated string are replaced with the omission
+     * string which defaults to "...".
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to truncate.
+     * @param {Object|number} [options] The options object or maximum string length.
+     * @param {number} [options.length=30] The maximum string length.
+     * @param {string} [options.omission='...'] The string to indicate text is omitted.
+     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {string} Returns the truncated string.
+     * @example
+     *
+     * _.trunc('hi-diddly-ho there, neighborino');
+     * // => 'hi-diddly-ho there, neighbo...'
+     *
+     * _.trunc('hi-diddly-ho there, neighborino', 24);
+     * // => 'hi-diddly-ho there, n...'
+     *
+     * _.trunc('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': ' '
+     * });
+     * // => 'hi-diddly-ho there,...'
+     *
+     * _.trunc('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': /,? +/
+     * });
+     * // => 'hi-diddly-ho there...'
+     *
+     * _.trunc('hi-diddly-ho there, neighborino', {
+     *   'omission': ' [...]'
+     * });
+     * // => 'hi-diddly-ho there, neig [...]'
+     */
+      function trunc(string, options, guard) {
+        if (guard && isIterateeCall(string, options, guard)) {
+          options = undefined;
+        }
+        var length = DEFAULT_TRUNC_LENGTH, omission = DEFAULT_TRUNC_OMISSION;
+        if (options != null) {
+          if (isObject(options)) {
+            var separator = 'separator' in options ? options.separator : separator;
+            length = 'length' in options ? +options.length || 0 : length;
+            omission = 'omission' in options ? baseToString(options.omission) : omission;
+          } else {
+            length = +options || 0;
+          }
+        }
+        string = baseToString(string);
+        if (length >= string.length) {
+          return string;
+        }
+        var end = length - omission.length;
+        if (end < 1) {
+          return omission;
+        }
+        var result = string.slice(0, end);
+        if (separator == null) {
+          return result + omission;
+        }
+        if (isRegExp(separator)) {
+          if (string.slice(end).search(separator)) {
+            var match, newEnd, substring = string.slice(0, end);
+            if (!separator.global) {
+              separator = RegExp(separator.source, (reFlags.exec(separator) || '') + 'g');
+            }
+            separator.lastIndex = 0;
+            while (match = separator.exec(substring)) {
+              newEnd = match.index;
+            }
+            result = result.slice(0, newEnd == null ? end : newEnd);
+          }
+        } else if (string.indexOf(separator, end) != end) {
+          var index = result.lastIndexOf(separator);
+          if (index > -1) {
+            result = result.slice(0, index);
+          }
+        }
+        return result + omission;
+      }
+      /**
+     * The inverse of `_.escape`; this method converts the HTML entities
+     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, `&#39;`, and `&#96;` in `string` to their
+     * corresponding characters.
+     *
+     * **Note:** No other HTML entities are unescaped. To unescape additional HTML
+     * entities use a third-party library like [_he_](https://mths.be/he).
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to unescape.
+     * @returns {string} Returns the unescaped string.
+     * @example
+     *
+     * _.unescape('fred, barney, &amp; pebbles');
+     * // => 'fred, barney, & pebbles'
+     */
+      function unescape(string) {
+        string = baseToString(string);
+        return string && reHasEscapedHtml.test(string) ? string.replace(reEscapedHtml, unescapeHtmlChar) : string;
+      }
+      /**
+     * Splits `string` into an array of its words.
+     *
+     * @static
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {RegExp|string} [pattern] The pattern to match words.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Array} Returns the words of `string`.
+     * @example
+     *
+     * _.words('fred, barney, & pebbles');
+     * // => ['fred', 'barney', 'pebbles']
+     *
+     * _.words('fred, barney, & pebbles', /[^, ]+/g);
+     * // => ['fred', 'barney', '&', 'pebbles']
+     */
+      function words(string, pattern, guard) {
+        if (guard && isIterateeCall(string, pattern, guard)) {
+          pattern = undefined;
+        }
+        string = baseToString(string);
+        return string.match(pattern || reWords) || [];
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Attempts to invoke `func`, returning either the result or the caught error
+     * object. Any additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Function} func The function to attempt.
+     * @returns {*} Returns the `func` result or error object.
+     * @example
+     *
+     * // avoid throwing errors for invalid selectors
+     * var elements = _.attempt(function(selector) {
+     *   return document.querySelectorAll(selector);
+     * }, '>_>');
+     *
+     * if (_.isError(elements)) {
+     *   elements = [];
+     * }
+     */
+      var attempt = restParam(function (func, args) {
+          try {
+            return func.apply(undefined, args);
+          } catch (e) {
+            return isError(e) ? e : new Error(e);
+          }
+        });
+      /**
+     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+     * and arguments of the created function. If `func` is a property name the
+     * created callback returns the property value for a given element. If `func`
+     * is an object the created callback returns `true` for elements that contain
+     * the equivalent object properties, otherwise it returns `false`.
+     *
+     * @static
+     * @memberOf _
+     * @alias iteratee
+     * @category Utility
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
+     * @returns {Function} Returns the callback.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * // wrap to create custom callback shorthands
+     * _.callback = _.wrap(_.callback, function(callback, func, thisArg) {
+     *   var match = /^(.+?)__([gl]t)(.+)$/.exec(func);
+     *   if (!match) {
+     *     return callback(func, thisArg);
+     *   }
+     *   return function(object) {
+     *     return match[2] == 'gt'
+     *       ? object[match[1]] > match[3]
+     *       : object[match[1]] < match[3];
+     *   };
+     * });
+     *
+     * _.filter(users, 'age__gt36');
+     * // => [{ 'user': 'fred', 'age': 40 }]
+     */
+      function callback(func, thisArg, guard) {
+        if (guard && isIterateeCall(func, thisArg, guard)) {
+          thisArg = undefined;
+        }
+        return isObjectLike(func) ? matches(func) : baseCallback(func, thisArg);
+      }
+      /**
+     * Creates a function that returns `value`.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {*} value The value to return from the new function.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var object = { 'user': 'fred' };
+     * var getter = _.constant(object);
+     *
+     * getter() === object;
+     * // => true
+     */
+      function constant(value) {
+        return function () {
+          return value;
+        };
+      }
+      /**
+     * This method returns the first argument provided to it.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {*} value Any value.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * _.identity(object) === object;
+     * // => true
+     */
+      function identity(value) {
+        return value;
+      }
+      /**
+     * Creates a function that performs a deep comparison between a given object
+     * and `source`, returning `true` if the given object has equivalent property
+     * values, else `false`.
+     *
+     * **Note:** This method supports comparing arrays, booleans, `Date` objects,
+     * numbers, `Object` objects, regexes, and strings. Objects are compared by
+     * their own, not inherited, enumerable properties. For comparing a single
+     * own or inherited property value see `_.matchesProperty`.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * _.filter(users, _.matches({ 'age': 40, 'active': false }));
+     * // => [{ 'user': 'fred', 'age': 40, 'active': false }]
+     */
+      function matches(source) {
+        return baseMatches(baseClone(source, true));
+      }
+      /**
+     * Creates a function that compares the property value of `path` on a given
+     * object to `value`.
+     *
+     * **Note:** This method supports comparing arrays, booleans, `Date` objects,
+     * numbers, `Object` objects, regexes, and strings. Objects are compared by
+     * their own, not inherited, enumerable properties.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * _.find(users, _.matchesProperty('user', 'fred'));
+     * // => { 'user': 'fred' }
+     */
+      function matchesProperty(path, srcValue) {
+        return baseMatchesProperty(path, baseClone(srcValue, true));
+      }
+      /**
+     * Creates a function that invokes the method at `path` on a given object.
+     * Any additional arguments are provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': { 'c': _.constant(2) } } },
+     *   { 'a': { 'b': { 'c': _.constant(1) } } }
+     * ];
+     *
+     * _.map(objects, _.method('a.b.c'));
+     * // => [2, 1]
+     *
+     * _.invoke(_.sortBy(objects, _.method(['a', 'b', 'c'])), 'a.b.c');
+     * // => [1, 2]
+     */
+      var method = restParam(function (path, args) {
+          return function (object) {
+            return invokePath(object, path, args);
+          };
+        });
+      /**
+     * The opposite of `_.method`; this method creates a function that invokes
+     * the method at a given path on `object`. Any additional arguments are
+     * provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Object} object The object to query.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var array = _.times(3, _.constant),
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+     * // => [2, 0]
+     */
+      var methodOf = restParam(function (object, args) {
+          return function (path) {
+            return invokePath(object, path, args);
+          };
+        });
+      /**
+     * Adds all own enumerable function properties of a source object to the
+     * destination object. If `object` is a function then methods are added to
+     * its prototype as well.
+     *
+     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+     * avoid conflicts caused by modifying the original.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Function|Object} [object=lodash] The destination object.
+     * @param {Object} source The object of functions to add.
+     * @param {Object} [options] The options object.
+     * @param {boolean} [options.chain=true] Specify whether the functions added
+     *  are chainable.
+     * @returns {Function|Object} Returns `object`.
+     * @example
+     *
+     * function vowels(string) {
+     *   return _.filter(string, function(v) {
+     *     return /[aeiou]/i.test(v);
+     *   });
+     * }
+     *
+     * _.mixin({ 'vowels': vowels });
+     * _.vowels('fred');
+     * // => ['e']
+     *
+     * _('fred').vowels().value();
+     * // => ['e']
+     *
+     * _.mixin({ 'vowels': vowels }, { 'chain': false });
+     * _('fred').vowels();
+     * // => ['e']
+     */
+      function mixin(object, source, options) {
+        if (options == null) {
+          var isObj = isObject(source), props = isObj ? keys(source) : undefined, methodNames = props && props.length ? baseFunctions(source, props) : undefined;
+          if (!(methodNames ? methodNames.length : isObj)) {
+            methodNames = false;
+            options = source;
+            source = object;
+            object = this;
+          }
+        }
+        if (!methodNames) {
+          methodNames = baseFunctions(source, keys(source));
+        }
+        var chain = true, index = -1, isFunc = isFunction(object), length = methodNames.length;
+        if (options === false) {
+          chain = false;
+        } else if (isObject(options) && 'chain' in options) {
+          chain = options.chain;
+        }
+        while (++index < length) {
+          var methodName = methodNames[index], func = source[methodName];
+          object[methodName] = func;
+          if (isFunc) {
+            object.prototype[methodName] = function (func) {
+              return function () {
+                var chainAll = this.__chain__;
+                if (chain || chainAll) {
+                  var result = object(this.__wrapped__), actions = result.__actions__ = arrayCopy(this.__actions__);
+                  actions.push({
+                    'func': func,
+                    'args': arguments,
+                    'thisArg': object
+                  });
+                  result.__chain__ = chainAll;
+                  return result;
+                }
+                return func.apply(object, arrayPush([this.value()], arguments));
+              };
+            }(func);
+          }
+        }
+        return object;
+      }
+      /**
+     * Reverts the `_` variable to its previous value and returns a reference to
+     * the `lodash` function.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @returns {Function} Returns the `lodash` function.
+     * @example
+     *
+     * var lodash = _.noConflict();
+     */
+      function noConflict() {
+        root._ = oldDash;
+        return this;
+      }
+      /**
+     * A no-operation function that returns `undefined` regardless of the
+     * arguments it receives.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @example
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * _.noop(object) === undefined;
+     * // => true
+     */
+      function noop() {
+      }
+      /**
+     * Creates a function that returns the property value at `path` on a
+     * given object.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': { 'c': 2 } } },
+     *   { 'a': { 'b': { 'c': 1 } } }
+     * ];
+     *
+     * _.map(objects, _.property('a.b.c'));
+     * // => [2, 1]
+     *
+     * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
+     * // => [1, 2]
+     */
+      function property(path) {
+        return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
+      }
+      /**
+     * The opposite of `_.property`; this method creates a function that returns
+     * the property value at a given path on `object`.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {Object} object The object to query.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var array = [0, 1, 2],
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+     * // => [2, 0]
+     */
+      function propertyOf(object) {
+        return function (path) {
+          return baseGet(object, toPath(path), path + '');
+        };
+      }
+      /**
+     * Creates an array of numbers (positive and/or negative) progressing from
+     * `start` up to, but not including, `end`. If `end` is not specified it's
+     * set to `start` with `start` then set to `0`. If `end` is less than `start`
+     * a zero-length range is created unless a negative `step` is specified.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the new array of numbers.
+     * @example
+     *
+     * _.range(4);
+     * // => [0, 1, 2, 3]
+     *
+     * _.range(1, 5);
+     * // => [1, 2, 3, 4]
+     *
+     * _.range(0, 20, 5);
+     * // => [0, 5, 10, 15]
+     *
+     * _.range(0, -4, -1);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.range(0);
+     * // => []
+     */
+      function range(start, end, step) {
+        if (step && isIterateeCall(start, end, step)) {
+          end = step = undefined;
+        }
+        start = +start || 0;
+        step = step == null ? 1 : +step || 0;
+        if (end == null) {
+          end = start;
+          start = 0;
+        } else {
+          end = +end || 0;
+        }
+        // Use `Array(length)` so engines like Chakra and V8 avoid slower modes.
+        // See https://youtu.be/XAqIpGU8ZZk#t=17m25s for more details.
+        var index = -1, length = nativeMax(nativeCeil((end - start) / (step || 1)), 0), result = Array(length);
+        while (++index < length) {
+          result[index] = start;
+          start += step;
+        }
+        return result;
+      }
+      /**
+     * Invokes the iteratee function `n` times, returning an array of the results
+     * of each invocation. The `iteratee` is bound to `thisArg` and invoked with
+     * one argument; (index).
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {number} n The number of times to invoke `iteratee`.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * var diceRolls = _.times(3, _.partial(_.random, 1, 6, false));
+     * // => [3, 6, 4]
+     *
+     * _.times(3, function(n) {
+     *   mage.castSpell(n);
+     * });
+     * // => invokes `mage.castSpell(n)` three times with `n` of `0`, `1`, and `2`
+     *
+     * _.times(3, function(n) {
+     *   this.cast(n);
+     * }, mage);
+     * // => also invokes `mage.castSpell(n)` three times
+     */
+      function times(n, iteratee, thisArg) {
+        n = nativeFloor(n);
+        // Exit early to avoid a JSC JIT bug in Safari 8
+        // where `Array(0)` is treated as `Array(1)`.
+        if (n < 1 || !nativeIsFinite(n)) {
+          return [];
+        }
+        var index = -1, result = Array(nativeMin(n, MAX_ARRAY_LENGTH));
+        iteratee = bindCallback(iteratee, thisArg, 1);
+        while (++index < n) {
+          if (index < MAX_ARRAY_LENGTH) {
+            result[index] = iteratee(index);
+          } else {
+            iteratee(index);
+          }
+        }
+        return result;
+      }
+      /**
+     * Generates a unique ID. If `prefix` is provided the ID is appended to it.
+     *
+     * @static
+     * @memberOf _
+     * @category Utility
+     * @param {string} [prefix] The value to prefix the ID with.
+     * @returns {string} Returns the unique ID.
+     * @example
+     *
+     * _.uniqueId('contact_');
+     * // => 'contact_104'
+     *
+     * _.uniqueId();
+     * // => '105'
+     */
+      function uniqueId(prefix) {
+        var id = ++idCounter;
+        return baseToString(prefix) + id;
+      }
+      /*------------------------------------------------------------------------*/
+      /**
+     * Adds two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {number} augend The first number to add.
+     * @param {number} addend The second number to add.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * _.add(6, 4);
+     * // => 10
+     */
+      function add(augend, addend) {
+        return (+augend || 0) + (+addend || 0);
+      }
+      /**
+     * Calculates `n` rounded up to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {number} n The number to round up.
+     * @param {number} [precision=0] The precision to round up to.
+     * @returns {number} Returns the rounded up number.
+     * @example
+     *
+     * _.ceil(4.006);
+     * // => 5
+     *
+     * _.ceil(6.004, 2);
+     * // => 6.01
+     *
+     * _.ceil(6040, -2);
+     * // => 6100
+     */
+      var ceil = createRound('ceil');
+      /**
+     * Calculates `n` rounded down to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {number} n The number to round down.
+     * @param {number} [precision=0] The precision to round down to.
+     * @returns {number} Returns the rounded down number.
+     * @example
+     *
+     * _.floor(4.006);
+     * // => 4
+     *
+     * _.floor(0.046, 2);
+     * // => 0.04
+     *
+     * _.floor(4060, -2);
+     * // => 4000
+     */
+      var floor = createRound('floor');
+      /**
+     * Gets the maximum value of `collection`. If `collection` is empty or falsey
+     * `-Infinity` is returned. If an iteratee function is provided it's invoked
+     * for each value in `collection` to generate the criterion by which the value
+     * is ranked. The `iteratee` is bound to `thisArg` and invoked with three
+     * arguments: (value, index, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * _.max([4, 2, 8, 6]);
+     * // => 8
+     *
+     * _.max([]);
+     * // => -Infinity
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * _.max(users, function(chr) {
+     *   return chr.age;
+     * });
+     * // => { 'user': 'fred', 'age': 40 }
+     *
+     * // using the `_.property` callback shorthand
+     * _.max(users, 'age');
+     * // => { 'user': 'fred', 'age': 40 }
+     */
+      var max = createExtremum(gt, NEGATIVE_INFINITY);
+      /**
+     * Gets the minimum value of `collection`. If `collection` is empty or falsey
+     * `Infinity` is returned. If an iteratee function is provided it's invoked
+     * for each value in `collection` to generate the criterion by which the value
+     * is ranked. The `iteratee` is bound to `thisArg` and invoked with three
+     * arguments: (value, index, collection).
+     *
+     * If a property name is provided for `iteratee` the created `_.property`
+     * style callback returns the property value of the given element.
+     *
+     * If a value is also provided for `thisArg` the created `_.matchesProperty`
+     * style callback returns `true` for elements that have a matching property
+     * value, else `false`.
+     *
+     * If an object is provided for `iteratee` the created `_.matches` style
+     * callback returns `true` for elements that have the properties of the given
+     * object, else `false`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * _.min([4, 2, 8, 6]);
+     * // => 2
+     *
+     * _.min([]);
+     * // => Infinity
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * _.min(users, function(chr) {
+     *   return chr.age;
+     * });
+     * // => { 'user': 'barney', 'age': 36 }
+     *
+     * // using the `_.property` callback shorthand
+     * _.min(users, 'age');
+     * // => { 'user': 'barney', 'age': 36 }
+     */
+      var min = createExtremum(lt, POSITIVE_INFINITY);
+      /**
+     * Calculates `n` rounded to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {number} n The number to round.
+     * @param {number} [precision=0] The precision to round to.
+     * @returns {number} Returns the rounded number.
+     * @example
+     *
+     * _.round(4.006);
+     * // => 4
+     *
+     * _.round(4.006, 2);
+     * // => 4.01
+     *
+     * _.round(4060, -2);
+     * // => 4100
+     */
+      var round = createRound('round');
+      /**
+     * Gets the sum of the values in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @category Math
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+     * @param {*} [thisArg] The `this` binding of `iteratee`.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * _.sum([4, 6]);
+     * // => 10
+     *
+     * _.sum({ 'a': 4, 'b': 6 });
+     * // => 10
+     *
+     * var objects = [
+     *   { 'n': 4 },
+     *   { 'n': 6 }
+     * ];
+     *
+     * _.sum(objects, function(object) {
+     *   return object.n;
+     * });
+     * // => 10
+     *
+     * // using the `_.property` callback shorthand
+     * _.sum(objects, 'n');
+     * // => 10
+     */
+      function sum(collection, iteratee, thisArg) {
+        if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
+          iteratee = undefined;
+        }
+        iteratee = getCallback(iteratee, thisArg, 3);
+        return iteratee.length == 1 ? arraySum(isArray(collection) ? collection : toIterable(collection), iteratee) : baseSum(collection, iteratee);
+      }
+      /*------------------------------------------------------------------------*/
+      // Ensure wrappers are instances of `baseLodash`.
+      lodash.prototype = baseLodash.prototype;
+      LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+      LodashWrapper.prototype.constructor = LodashWrapper;
+      LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+      LazyWrapper.prototype.constructor = LazyWrapper;
+      // Add functions to the `Map` cache.
+      MapCache.prototype['delete'] = mapDelete;
+      MapCache.prototype.get = mapGet;
+      MapCache.prototype.has = mapHas;
+      MapCache.prototype.set = mapSet;
+      // Add functions to the `Set` cache.
+      SetCache.prototype.push = cachePush;
+      // Assign cache to `_.memoize`.
+      memoize.Cache = MapCache;
+      // Add functions that return wrapped values when chaining.
+      lodash.after = after;
+      lodash.ary = ary;
+      lodash.assign = assign;
+      lodash.at = at;
+      lodash.before = before;
+      lodash.bind = bind;
+      lodash.bindAll = bindAll;
+      lodash.bindKey = bindKey;
+      lodash.callback = callback;
+      lodash.chain = chain;
+      lodash.chunk = chunk;
+      lodash.compact = compact;
+      lodash.constant = constant;
+      lodash.countBy = countBy;
+      lodash.create = create;
+      lodash.curry = curry;
+      lodash.curryRight = curryRight;
+      lodash.debounce = debounce;
+      lodash.defaults = defaults;
+      lodash.defaultsDeep = defaultsDeep;
+      lodash.defer = defer;
+      lodash.delay = delay;
+      lodash.difference = difference;
+      lodash.drop = drop;
+      lodash.dropRight = dropRight;
+      lodash.dropRightWhile = dropRightWhile;
+      lodash.dropWhile = dropWhile;
+      lodash.fill = fill;
+      lodash.filter = filter;
+      lodash.flatten = flatten;
+      lodash.flattenDeep = flattenDeep;
+      lodash.flow = flow;
+      lodash.flowRight = flowRight;
+      lodash.forEach = forEach;
+      lodash.forEachRight = forEachRight;
+      lodash.forIn = forIn;
+      lodash.forInRight = forInRight;
+      lodash.forOwn = forOwn;
+      lodash.forOwnRight = forOwnRight;
+      lodash.functions = functions;
+      lodash.groupBy = groupBy;
+      lodash.indexBy = indexBy;
+      lodash.initial = initial;
+      lodash.intersection = intersection;
+      lodash.invert = invert;
+      lodash.invoke = invoke;
+      lodash.keys = keys;
+      lodash.keysIn = keysIn;
+      lodash.map = map;
+      lodash.mapKeys = mapKeys;
+      lodash.mapValues = mapValues;
+      lodash.matches = matches;
+      lodash.matchesProperty = matchesProperty;
+      lodash.memoize = memoize;
+      lodash.merge = merge;
+      lodash.method = method;
+      lodash.methodOf = methodOf;
+      lodash.mixin = mixin;
+      lodash.modArgs = modArgs;
+      lodash.negate = negate;
+      lodash.omit = omit;
+      lodash.once = once;
+      lodash.pairs = pairs;
+      lodash.partial = partial;
+      lodash.partialRight = partialRight;
+      lodash.partition = partition;
+      lodash.pick = pick;
+      lodash.pluck = pluck;
+      lodash.property = property;
+      lodash.propertyOf = propertyOf;
+      lodash.pull = pull;
+      lodash.pullAt = pullAt;
+      lodash.range = range;
+      lodash.rearg = rearg;
+      lodash.reject = reject;
+      lodash.remove = remove;
+      lodash.rest = rest;
+      lodash.restParam = restParam;
+      lodash.set = set;
+      lodash.shuffle = shuffle;
+      lodash.slice = slice;
+      lodash.sortBy = sortBy;
+      lodash.sortByAll = sortByAll;
+      lodash.sortByOrder = sortByOrder;
+      lodash.spread = spread;
+      lodash.take = take;
+      lodash.takeRight = takeRight;
+      lodash.takeRightWhile = takeRightWhile;
+      lodash.takeWhile = takeWhile;
+      lodash.tap = tap;
+      lodash.throttle = throttle;
+      lodash.thru = thru;
+      lodash.times = times;
+      lodash.toArray = toArray;
+      lodash.toPlainObject = toPlainObject;
+      lodash.transform = transform;
+      lodash.union = union;
+      lodash.uniq = uniq;
+      lodash.unzip = unzip;
+      lodash.unzipWith = unzipWith;
+      lodash.values = values;
+      lodash.valuesIn = valuesIn;
+      lodash.where = where;
+      lodash.without = without;
+      lodash.wrap = wrap;
+      lodash.xor = xor;
+      lodash.zip = zip;
+      lodash.zipObject = zipObject;
+      lodash.zipWith = zipWith;
+      // Add aliases.
+      lodash.backflow = flowRight;
+      lodash.collect = map;
+      lodash.compose = flowRight;
+      lodash.each = forEach;
+      lodash.eachRight = forEachRight;
+      lodash.extend = assign;
+      lodash.iteratee = callback;
+      lodash.methods = functions;
+      lodash.object = zipObject;
+      lodash.select = filter;
+      lodash.tail = rest;
+      lodash.unique = uniq;
+      // Add functions to `lodash.prototype`.
+      mixin(lodash, lodash);
+      /*------------------------------------------------------------------------*/
+      // Add functions that return unwrapped values when chaining.
+      lodash.add = add;
+      lodash.attempt = attempt;
+      lodash.camelCase = camelCase;
+      lodash.capitalize = capitalize;
+      lodash.ceil = ceil;
+      lodash.clone = clone;
+      lodash.cloneDeep = cloneDeep;
+      lodash.deburr = deburr;
+      lodash.endsWith = endsWith;
+      lodash.escape = escape;
+      lodash.escapeRegExp = escapeRegExp;
+      lodash.every = every;
+      lodash.find = find;
+      lodash.findIndex = findIndex;
+      lodash.findKey = findKey;
+      lodash.findLast = findLast;
+      lodash.findLastIndex = findLastIndex;
+      lodash.findLastKey = findLastKey;
+      lodash.findWhere = findWhere;
+      lodash.first = first;
+      lodash.floor = floor;
+      lodash.get = get;
+      lodash.gt = gt;
+      lodash.gte = gte;
+      lodash.has = has;
+      lodash.identity = identity;
+      lodash.includes = includes;
+      lodash.indexOf = indexOf;
+      lodash.inRange = inRange;
+      lodash.isArguments = isArguments;
+      lodash.isArray = isArray;
+      lodash.isBoolean = isBoolean;
+      lodash.isDate = isDate;
+      lodash.isElement = isElement;
+      lodash.isEmpty = isEmpty;
+      lodash.isEqual = isEqual;
+      lodash.isError = isError;
+      lodash.isFinite = isFinite;
+      lodash.isFunction = isFunction;
+      lodash.isMatch = isMatch;
+      lodash.isNaN = isNaN;
+      lodash.isNative = isNative;
+      lodash.isNull = isNull;
+      lodash.isNumber = isNumber;
+      lodash.isObject = isObject;
+      lodash.isPlainObject = isPlainObject;
+      lodash.isRegExp = isRegExp;
+      lodash.isString = isString;
+      lodash.isTypedArray = isTypedArray;
+      lodash.isUndefined = isUndefined;
+      lodash.kebabCase = kebabCase;
+      lodash.last = last;
+      lodash.lastIndexOf = lastIndexOf;
+      lodash.lt = lt;
+      lodash.lte = lte;
+      lodash.max = max;
+      lodash.min = min;
+      lodash.noConflict = noConflict;
+      lodash.noop = noop;
+      lodash.now = now;
+      lodash.pad = pad;
+      lodash.padLeft = padLeft;
+      lodash.padRight = padRight;
+      lodash.parseInt = parseInt;
+      lodash.random = random;
+      lodash.reduce = reduce;
+      lodash.reduceRight = reduceRight;
+      lodash.repeat = repeat;
+      lodash.result = result;
+      lodash.round = round;
+      lodash.runInContext = runInContext;
+      lodash.size = size;
+      lodash.snakeCase = snakeCase;
+      lodash.some = some;
+      lodash.sortedIndex = sortedIndex;
+      lodash.sortedLastIndex = sortedLastIndex;
+      lodash.startCase = startCase;
+      lodash.startsWith = startsWith;
+      lodash.sum = sum;
+      lodash.template = template;
+      lodash.trim = trim;
+      lodash.trimLeft = trimLeft;
+      lodash.trimRight = trimRight;
+      lodash.trunc = trunc;
+      lodash.unescape = unescape;
+      lodash.uniqueId = uniqueId;
+      lodash.words = words;
+      // Add aliases.
+      lodash.all = every;
+      lodash.any = some;
+      lodash.contains = includes;
+      lodash.eq = isEqual;
+      lodash.detect = find;
+      lodash.foldl = reduce;
+      lodash.foldr = reduceRight;
+      lodash.head = first;
+      lodash.include = includes;
+      lodash.inject = reduce;
+      mixin(lodash, function () {
+        var source = {};
+        baseForOwn(lodash, function (func, methodName) {
+          if (!lodash.prototype[methodName]) {
+            source[methodName] = func;
+          }
+        });
+        return source;
+      }(), false);
+      /*------------------------------------------------------------------------*/
+      // Add functions capable of returning wrapped and unwrapped values when chaining.
+      lodash.sample = sample;
+      lodash.prototype.sample = function (n) {
+        if (!this.__chain__ && n == null) {
+          return sample(this.value());
+        }
+        return this.thru(function (value) {
+          return sample(value, n);
+        });
+      };
+      /*------------------------------------------------------------------------*/
+      /**
+     * The semantic version number.
+     *
+     * @static
+     * @memberOf _
+     * @type string
+     */
+      lodash.VERSION = VERSION;
+      // Assign default placeholders.
+      arrayEach([
+        'bind',
+        'bindKey',
+        'curry',
+        'curryRight',
+        'partial',
+        'partialRight'
+      ], function (methodName) {
+        lodash[methodName].placeholder = lodash;
+      });
+      // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
+      arrayEach([
+        'drop',
+        'take'
+      ], function (methodName, index) {
+        LazyWrapper.prototype[methodName] = function (n) {
+          var filtered = this.__filtered__;
+          if (filtered && !index) {
+            return new LazyWrapper(this);
+          }
+          n = n == null ? 1 : nativeMax(nativeFloor(n) || 0, 0);
+          var result = this.clone();
+          if (filtered) {
+            result.__takeCount__ = nativeMin(result.__takeCount__, n);
+          } else {
+            result.__views__.push({
+              'size': n,
+              'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
+            });
+          }
+          return result;
+        };
+        LazyWrapper.prototype[methodName + 'Right'] = function (n) {
+          return this.reverse()[methodName](n).reverse();
+        };
+      });
+      // Add `LazyWrapper` methods that accept an `iteratee` value.
+      arrayEach([
+        'filter',
+        'map',
+        'takeWhile'
+      ], function (methodName, index) {
+        var type = index + 1, isFilter = type != LAZY_MAP_FLAG;
+        LazyWrapper.prototype[methodName] = function (iteratee, thisArg) {
+          var result = this.clone();
+          result.__iteratees__.push({
+            'iteratee': getCallback(iteratee, thisArg, 1),
+            'type': type
+          });
+          result.__filtered__ = result.__filtered__ || isFilter;
+          return result;
+        };
+      });
+      // Add `LazyWrapper` methods for `_.first` and `_.last`.
+      arrayEach([
+        'first',
+        'last'
+      ], function (methodName, index) {
+        var takeName = 'take' + (index ? 'Right' : '');
+        LazyWrapper.prototype[methodName] = function () {
+          return this[takeName](1).value()[0];
+        };
+      });
+      // Add `LazyWrapper` methods for `_.initial` and `_.rest`.
+      arrayEach([
+        'initial',
+        'rest'
+      ], function (methodName, index) {
+        var dropName = 'drop' + (index ? '' : 'Right');
+        LazyWrapper.prototype[methodName] = function () {
+          return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+        };
+      });
+      // Add `LazyWrapper` methods for `_.pluck` and `_.where`.
+      arrayEach([
+        'pluck',
+        'where'
+      ], function (methodName, index) {
+        var operationName = index ? 'filter' : 'map', createCallback = index ? baseMatches : property;
+        LazyWrapper.prototype[methodName] = function (value) {
+          return this[operationName](createCallback(value));
+        };
+      });
+      LazyWrapper.prototype.compact = function () {
+        return this.filter(identity);
+      };
+      LazyWrapper.prototype.reject = function (predicate, thisArg) {
+        predicate = getCallback(predicate, thisArg, 1);
+        return this.filter(function (value) {
+          return !predicate(value);
+        });
+      };
+      LazyWrapper.prototype.slice = function (start, end) {
+        start = start == null ? 0 : +start || 0;
+        var result = this;
+        if (result.__filtered__ && (start > 0 || end < 0)) {
+          return new LazyWrapper(result);
+        }
+        if (start < 0) {
+          result = result.takeRight(-start);
+        } else if (start) {
+          result = result.drop(start);
+        }
+        if (end !== undefined) {
+          end = +end || 0;
+          result = end < 0 ? result.dropRight(-end) : result.take(end - start);
+        }
+        return result;
+      };
+      LazyWrapper.prototype.takeRightWhile = function (predicate, thisArg) {
+        return this.reverse().takeWhile(predicate, thisArg).reverse();
+      };
+      LazyWrapper.prototype.toArray = function () {
+        return this.take(POSITIVE_INFINITY);
+      };
+      // Add `LazyWrapper` methods to `lodash.prototype`.
+      baseForOwn(LazyWrapper.prototype, function (func, methodName) {
+        var checkIteratee = /^(?:filter|map|reject)|While$/.test(methodName), retUnwrapped = /^(?:first|last)$/.test(methodName), lodashFunc = lodash[retUnwrapped ? 'take' + (methodName == 'last' ? 'Right' : '') : methodName];
+        if (!lodashFunc) {
+          return;
+        }
+        lodash.prototype[methodName] = function () {
+          var args = retUnwrapped ? [1] : arguments, chainAll = this.__chain__, value = this.__wrapped__, isHybrid = !!this.__actions__.length, isLazy = value instanceof LazyWrapper, iteratee = args[0], useLazy = isLazy || isArray(value);
+          if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
+            // Avoid lazy use if the iteratee has a "length" value other than `1`.
+            isLazy = useLazy = false;
+          }
+          var interceptor = function (value) {
+            return retUnwrapped && chainAll ? lodashFunc(value, 1)[0] : lodashFunc.apply(undefined, arrayPush([value], args));
+          };
+          var action = {
+              'func': thru,
+              'args': [interceptor],
+              'thisArg': undefined
+            }, onlyLazy = isLazy && !isHybrid;
+          if (retUnwrapped && !chainAll) {
+            if (onlyLazy) {
+              value = value.clone();
+              value.__actions__.push(action);
+              return func.call(value);
+            }
+            return lodashFunc.call(undefined, this.value())[0];
+          }
+          if (!retUnwrapped && useLazy) {
+            value = onlyLazy ? value : new LazyWrapper(this);
+            var result = func.apply(value, args);
+            result.__actions__.push(action);
+            return new LodashWrapper(result, chainAll);
+          }
+          return this.thru(interceptor);
+        };
+      });
+      // Add `Array` and `String` methods to `lodash.prototype`.
+      arrayEach([
+        'join',
+        'pop',
+        'push',
+        'replace',
+        'shift',
+        'sort',
+        'splice',
+        'split',
+        'unshift'
+      ], function (methodName) {
+        var func = (/^(?:replace|split)$/.test(methodName) ? stringProto : arrayProto)[methodName], chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru', retUnwrapped = /^(?:join|pop|replace|shift)$/.test(methodName);
+        lodash.prototype[methodName] = function () {
+          var args = arguments;
+          if (retUnwrapped && !this.__chain__) {
+            return func.apply(this.value(), args);
+          }
+          return this[chainName](function (value) {
+            return func.apply(value, args);
+          });
+        };
+      });
+      // Map minified function names to their real names.
+      baseForOwn(LazyWrapper.prototype, function (func, methodName) {
+        var lodashFunc = lodash[methodName];
+        if (lodashFunc) {
+          var key = lodashFunc.name + '', names = realNames[key] || (realNames[key] = []);
+          names.push({
+            'name': methodName,
+            'func': lodashFunc
+          });
+        }
+      });
+      realNames[createHybridWrapper(undefined, BIND_KEY_FLAG).name] = [{
+          'name': 'wrapper',
+          'func': undefined
+        }];
+      // Add functions to the lazy wrapper.
+      LazyWrapper.prototype.clone = lazyClone;
+      LazyWrapper.prototype.reverse = lazyReverse;
+      LazyWrapper.prototype.value = lazyValue;
+      // Add chaining functions to the `lodash` wrapper.
+      lodash.prototype.chain = wrapperChain;
+      lodash.prototype.commit = wrapperCommit;
+      lodash.prototype.concat = wrapperConcat;
+      lodash.prototype.plant = wrapperPlant;
+      lodash.prototype.reverse = wrapperReverse;
+      lodash.prototype.toString = wrapperToString;
+      lodash.prototype.run = lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+      // Add function aliases to the `lodash` wrapper.
+      lodash.prototype.collect = lodash.prototype.map;
+      lodash.prototype.head = lodash.prototype.first;
+      lodash.prototype.select = lodash.prototype.filter;
+      lodash.prototype.tail = lodash.prototype.rest;
+      return lodash;
+    }
+    /*--------------------------------------------------------------------------*/
+    // Export lodash.
+    var _ = runInContext();
+    // Some AMD build optimizers like r.js check for condition patterns like the following:
+    if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
+      // Define as an anonymous module so, through path mapping, it can be
+      // referenced as the "underscore" module.
+      define(function () {
+        return _;
+      });
+    }  // Check for `exports` after `define` in case a build optimizer adds an `exports` object.
+    else if (freeExports && freeModule) {
+      // Export for Node.js or RingoJS.
+      if (moduleExports) {
+        (freeModule.exports = _)._ = _;
+      }  // Export for Rhino with CommonJS support.
+      else {
+        freeExports._ = _;
+      }
+    }
+    $provide.constant('lodash', _);
+  }
+]);
\ No newline at end of file
diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.min.js b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.min.js
new file mode 100644
index 0000000..4989a9e
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/build/ng-lodash.min.js
@@ -0,0 +1,11 @@
+/**
+ * @license
+ * lodash 3.10.1 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modern exports="amd,commonjs,node" iife="angular.module('ngLodash', []).constant('lodash', null).config(function ($provide) { %output% $provide.constant('lodash', _);});" --output build/ng-lodash.js`
+ * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <https://lodash.com/license>
+ */
+angular.module("ngLodash",[]).constant("lodash",null).config(["$provide",function(a){function b(a,b){if(a!==b){var c=null===a,d=a===x,e=a===a,f=null===b,g=b===x,h=b===b;if(a>b&&!f||!e||c&&!g&&h||d&&h)return 1;if(b>a&&!c||!h||f&&!d&&e||g&&e)return-1}return 0}function c(a,b,c){for(var d=a.length,e=c?d:-1;c?e--:++e<d;)if(b(a[e],e,a))return e;return-1}function d(a,b,c){if(b!==b)return o(a,c);for(var d=c-1,e=a.length;++d<e;)if(a[d]===b)return d;return-1}function e(a){return"function"==typeof a||!1}function f(a){return null==a?"":a+""}function g(a,b){for(var c=-1,d=a.length;++c<d&&b.indexOf(a.charAt(c))>-1;);return c}function h(a,b){for(var c=a.length;c--&&b.indexOf(a.charAt(c))>-1;);return c}function i(a,c){return b(a.criteria,c.criteria)||a.index-c.index}function j(a,c,d){for(var e=-1,f=a.criteria,g=c.criteria,h=f.length,i=d.length;++e<h;){var j=b(f[e],g[e]);if(j){if(e>=i)return j;var k=d[e];return j*("asc"===k||k===!0?1:-1)}}return a.index-c.index}function k(a){return Qa[a]}function 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diff --git a/xos-apps/auto-scale/gui/src/vendor/ng-lodash/package.json b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/package.json
new file mode 100644
index 0000000..3de6f34
--- /dev/null
+++ b/xos-apps/auto-scale/gui/src/vendor/ng-lodash/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "ng-lodash",
+  "version": "0.3.0",
+  "description": "An Angular module wrapper for lodash",
+  "main": "build/ng-lodash.js",
+  "scripts": {
+    "test": "grunt dist"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/rockabox/ng-lodash.git"
+  },
+  "keywords": [
+    "nglodash",
+    "angular",
+    "lodash"
+  ],
+  "author": [
+    "Rockabox <tech@rockabox.com> (http://rockabox.com)"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/rockabox/ng-lodash/issues"
+  },
+  "homepage": "https://github.com/rockabox/ng-lodash",
+  "devDependencies": {
+    "grunt": "~0.4.5",
+    "grunt-bower-task": "~0.4.0",
+    "grunt-cli": "~0.1.13",
+    "grunt-contrib-jshint": "~0.11.0",
+    "grunt-contrib-uglify": "~0.7.0",
+    "grunt-jscs": "~1.5.0",
+    "grunt-karma": "~0.10.1",
+    "grunt-lodash": "~0.5.0",
+    "lodash-cli": "~3.10.1",
+    "grunt-ngmin": "~0.0.3",
+    "jasmine-core": "~2.2.0",
+    "karma": "~0.12.16",
+    "karma-jasmine": "~0.3.1",
+    "karma-phantomjs-launcher": "~0.1.4",
+    "load-grunt-tasks": "~3.1.0"
+  },
+  "engines": {
+    "node": "~0.10.0"
+  }
+}