     deinit {
         self.expired = true
         self.expirationTimer?.invalidate()
-        self.expirationTimer = nil;
-        self.completionHandler = nil;
+        self.expirationTimer = nil
+        self.completionHandler = nil
     }
 
     // MARK - methods

    
    public var trackingDesiredAccuracyWhenInBackground: Double!

    public var distanceFilter: Double! {
        get {
            return self.locationCenter.distanceFilter
        }

    
    func locationManager(manager: CLLocationManager, didFailWithError error: NSError) {
        self.completeLocationRequestsWithError(error)
        self.delegate?.positionLocationCenter(self, didFailWithError: error)
    }
    
    func locationManager(manager: CLLocationManager, didChangeAuthorizationStatus status: CLAuthorizationStatus) {
