Fixed PUT responding with old values

lib/resources/collection.js

@@ -420,7 +420,8 @@ Collection.prototype.save = function (session, item, query, client, fn) {
           delete item.id;
           store.update(query, item, function (err) {
             if(err) return fn(err);
-            fn(null, obj);
+            item.id = obj.id;
+            fn(null, item);
           });
         });
       });