     
     open func changeRightViewController(_ rightViewController: UIViewController, closeRight:Bool) {
         removeViewController(self.rightViewController)
-        self.rightViewController = rightViewController;
+        self.rightViewController = rightViewController
         setUpViewController(rightContainerView, targetViewController: rightViewController)
         if closeRight {
             self.closeRight()

    open func closeLeftNonAnimation(){
        setCloseWindowLevel()
        let finalXOrigin: CGFloat = leftMinOrigin()
        var frame: CGRect = leftContainerView.frame;
        frame.origin.x = finalXOrigin
        leftContainerView.frame = frame
        opacityView.layer.opacity = 0.0

        let xOrigin: CGFloat = leftContainerView.frame.origin.x
        let finalXOrigin: CGFloat = 0.0
        
        var frame = leftContainerView.frame
        frame.origin.x = finalXOrigin
        
        var duration: TimeInterval = Double(SlideMenuOptions.animationDuration)
        if velocity != 0.0 {
