Do not use for..in operator for iterate over an array

Change-Id: I2d73e80a313adb8a22488dd8ddaa1034ee4dd7ee
diff --git a/package.json b/package.json
index 22e400c..ce2dc13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "cord_workflow_controller",
-    "version": "0.5.2",
+    "version": "0.5.3",
     "description": "CORD Workflow Controller",
     "main": "src/server.js",
     "scripts": {