                         for noti in center.deliveredNotifications {
                             if noti.identifier == push["notification_id"].string {
                                 center.removeDeliveredNotification(noti)
-                                print("Removed a noti (", noti.identifier, ")")
+                                print("Removed a noti (", noti.identifier!, ")")
                             }
                         }
                         var i = -1, indexToBeRemoved = -1

                    switch(pushType) {
                    case "mirror":
                        let notification = NSUserNotification()
                        notification.title = push["title"].string
                        notification.informativeText = push["body"].string
                        notification.identifier = push["notification_id"].string

                    }
                }
                break;
            case .ContentsClicked:
                Alamofire.request(.GET, "https://update.pushbullet.com/android_mapping.json")
                    .responseString { response in
