feature(aping-helpers.js): added new helper function: getDifference()

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "apiNG",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "homepage": "https://github.com/JohnnyTheTank/apiNG",
   "authors": [
     "Jonathan Hornung <[email protected]>"

dist/aping.js

@@ -1,6 +1,6 @@
 /**
     @name: aping 
-    @version: 1.0.8 (26-01-2016) 
+    @version: 1.0.9 (26-01-2016) 
     @author: Jonathan Hornung <[email protected]> 
     @url: https://github.com/JohnnyTheTank/apiNG 
     @license: MIT
@@ -270,6 +270,21 @@ angular.module('jtt_aping').service('apingTimeHelper', function () {
             return this.parseRequestsFromAttributes(_string, _platform, _appSettings);
         };
 
+        /**
+         * returns the difference between two integers
+         *
+         * @param _int1 {number}
+         * @param _int2 {number}
+         * @returns {number}
+         */
+        this.getDifference = function (_int1, _int2) {
+            if (_int1 > _int2) {
+                return _int1 - _int2;
+            } else {
+                return _int2 - _int1;
+            }
+        };
+
         /**
          * Parse JSON from Attributes and create requests
          *