Merge pull request #178 from maysale01/hotfix-pass-the-correct-scope-to-rest-write-handle-followup

hotfix: issue exposed during testing with es6 where the scope o…

RestWrite.js

@@ -362,7 +362,7 @@ RestWrite.prototype.handleFollowup = function() {
     };
     delete this.storage['clearSessions'];
     return this.config.database.destroy('_Session', sessionQuery)
-    .then(this.handleFollowup);
+    .then(this.handleFollowup.bind(this));
   }
 };