Reset changes method

lib/abstract-class.js

@@ -394,15 +394,20 @@ AbstractClass.prototype.propertyChanged = function (attr) {
 AbstractClass.prototype.reload = function (cb) {
     var obj = this.constructor.cache[this.id];
     if (obj) {
-        Object.keys(obj).forEach(function (k) {
+        obj.reset();
-            if (obj.propertyChanged(k)) {
-                obj[k] = obj[k + '_was'];
-            }
-        });
     }
     this.constructor.find(this.id, cb);
 };
 
+AbstractClass.prototype.reset = function () {
+    var obj = this;
+    Object.keys(obj).forEach(function (k) {
+        if (obj.propertyChanged(k)) {
+            obj[k] = obj[k + '_was'];
+        }
+    });
+};
+
 // relations
 AbstractClass.hasMany = function (anotherClass, params) {
     var methodName = params.as; // or pluralize(anotherClass.modelName)