diff --git a/unum/vendor/github.com/gogo/protobuf/proto/pointer_unsafe_gogo.go b/unum/vendor/github.com/gogo/protobuf/proto/pointer_unsafe_gogo.go
new file mode 100644
index 0000000..f156a29
--- /dev/null
+++ b/unum/vendor/github.com/gogo/protobuf/proto/pointer_unsafe_gogo.go
@@ -0,0 +1,128 @@
+// Protocol Buffers for Go with Gadgets
+//
+// Copyright (c) 2013, The GoGo Authors. All rights reserved.
+// http://github.com/gogo/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// +build !appengine,!js
+
+// This file contains the implementation of the proto field accesses using package unsafe.
+
+package proto
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+func structPointer_InterfaceAt(p structPointer, f field, t reflect.Type) interface{} {
+	point := unsafe.Pointer(uintptr(p) + uintptr(f))
+	r := reflect.NewAt(t, point)
+	return r.Interface()
+}
+
+func structPointer_InterfaceRef(p structPointer, f field, t reflect.Type) interface{} {
+	point := unsafe.Pointer(uintptr(p) + uintptr(f))
+	r := reflect.NewAt(t, point)
+	if r.Elem().IsNil() {
+		return nil
+	}
+	return r.Elem().Interface()
+}
+
+func copyUintPtr(oldptr, newptr uintptr, size int) {
+	oldbytes := make([]byte, 0)
+	oldslice := (*reflect.SliceHeader)(unsafe.Pointer(&oldbytes))
+	oldslice.Data = oldptr
+	oldslice.Len = size
+	oldslice.Cap = size
+	newbytes := make([]byte, 0)
+	newslice := (*reflect.SliceHeader)(unsafe.Pointer(&newbytes))
+	newslice.Data = newptr
+	newslice.Len = size
+	newslice.Cap = size
+	copy(newbytes, oldbytes)
+}
+
+func structPointer_Copy(oldptr structPointer, newptr structPointer, size int) {
+	copyUintPtr(uintptr(oldptr), uintptr(newptr), size)
+}
+
+func appendStructPointer(base structPointer, f field, typ reflect.Type) structPointer {
+	size := typ.Elem().Size()
+
+	oldHeader := structPointer_GetSliceHeader(base, f)
+	oldSlice := reflect.NewAt(typ, unsafe.Pointer(oldHeader)).Elem()
+	newLen := oldHeader.Len + 1
+	newSlice := reflect.MakeSlice(typ, newLen, newLen)
+	reflect.Copy(newSlice, oldSlice)
+	bas := toStructPointer(newSlice)
+	oldHeader.Data = uintptr(bas)
+	oldHeader.Len = newLen
+	oldHeader.Cap = newLen
+
+	return structPointer(unsafe.Pointer(uintptr(unsafe.Pointer(bas)) + uintptr(uintptr(newLen-1)*size)))
+}
+
+func structPointer_FieldPointer(p structPointer, f field) structPointer {
+	return structPointer(unsafe.Pointer(uintptr(p) + uintptr(f)))
+}
+
+func structPointer_GetRefStructPointer(p structPointer, f field) structPointer {
+	return structPointer((*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))))
+}
+
+func structPointer_GetSliceHeader(p structPointer, f field) *reflect.SliceHeader {
+	return (*reflect.SliceHeader)(unsafe.Pointer(uintptr(p) + uintptr(f)))
+}
+
+func structPointer_Add(p structPointer, size field) structPointer {
+	return structPointer(unsafe.Pointer(uintptr(p) + uintptr(size)))
+}
+
+func structPointer_Len(p structPointer, f field) int {
+	return len(*(*[]interface{})(unsafe.Pointer(structPointer_GetRefStructPointer(p, f))))
+}
+
+func structPointer_StructRefSlice(p structPointer, f field, size uintptr) *structRefSlice {
+	return &structRefSlice{p: p, f: f, size: size}
+}
+
+// A structRefSlice represents a slice of structs (themselves submessages or groups).
+type structRefSlice struct {
+	p    structPointer
+	f    field
+	size uintptr
+}
+
+func (v *structRefSlice) Len() int {
+	return structPointer_Len(v.p, v.f)
+}
+
+func (v *structRefSlice) Index(i int) structPointer {
+	ss := structPointer_GetStructPointer(v.p, v.f)
+	ss1 := structPointer_GetRefStructPointer(ss, 0)
+	return structPointer_Add(ss1, field(uintptr(i)*v.size))
+}