     
     func stopNotifier() {
         
-        reachabilityObject = nil;
+        reachabilityObject = nil
         
         if let dispatch_timer = dispatch_timer {
             dispatch_source_cancel(dispatch_timer)

    private var previousReachabilityFlags: SCNetworkReachabilityFlags?
    
    private init(reachabilityRef: SCNetworkReachability) {
        reachableOnWWAN = true;
        self.reachabilityRef = reachabilityRef;
    }
    
    func timerFired() {

        reachabilityObject = self
        let reachability = self.reachabilityRef!
        
        previousReachabilityFlags = reachabilityFlags
        if let dispatch_timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, timer_queue) {
            dispatch_source_set_timer(dispatch_timer, dispatch_walltime(nil, 0), 500 * NSEC_PER_MSEC, 100 * NSEC_PER_MSEC)
            dispatch_source_set_event_handler(dispatch_timer, { [unowned self] in
