diff --git a/lib/util.js b/lib/util.js
index bcf9f271..c591cb59 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -185,27 +185,38 @@
         };
         
         /**
-         * copy pObj properties to pTargetObject
+         * copy objFrom properties to target
          * 
-         * @pTarget
-         * @pObj
+         * @target
+         * @objFrom
          */
-        this.extend                 = function(pTarget, PObj) {
-            var i, n, lObj, 
-                isFunc  = Util.isFunction(PObj),
-                isArray = Util.isArray(PObj),
-                isObj   = Util.isObject(pTarget),
-                ret     = isObj ? pTarget : {};
+        this.extend                 = function(target, objFrom) {
+            var obj,
+                keys, 
+                proto,
+                isFunc  = Util.isFunction(objFrom),
+                isArray = Util.isArray(objFrom),
+                isObj   = Util.isObject(target),
+                ret     = isObj ? target : {};
             
             if (isArray)
-                for (i = 0, n = PObj.length; i < n; i++)
-                   ret = Util.extend(pTarget, PObj[i]);
+                objFrom.forEach(function(item) {
+                   ret = Util.extend(target, item); 
+                });
+                   
             
-            else if (PObj) {
-                lObj = isFunc ? new PObj() : PObj;
+            else if (objFrom) {
+                obj     = isFunc ? new objFrom() : objFrom;
+                keys    = Object.keys(obj);
                 
-                for(i in lObj)
-                    ret[i] = lObj[i];
+                if (!keys.length) {
+                    proto = Object.getPrototypeOf(objFrom);
+                    keys  = Object.keys(proto);
+                }
+                
+                keys.forEach(function(name) {
+                    ret[name] = obj[name];
+                });
             }
             
             return ret;