Add lodash

Add lodash to use with arrays and collections

package.json

@@ -30,6 +30,7 @@
     "forever": "^0.15.2",
     "js2xmlparser": "^2.0.2",
     "jwt-simple": "^0.5.0",
+    "lodash": "^4.17.2",
     "method-override": "^2.3.3",
     "mocha": "^3.1.2",
     "monetdb-pool": "0.0.8",