     // Show the spinner activity on screen, after delay. If new call to show,
     // showWithDelay or hide is maked before execution this call is discarded
     //
-    @discardableResult
     public class func show(delay: Double, title: String, animated: Bool = true) {
         let token = UUID().uuidString
         delayedTokens.append(token)

        
        //inner circle
        UIView.animate(withDuration: 0.5, delay: 0.0, usingSpringWithDamping: 0.5, initialSpringVelocity: 0.0, options: [], animations: {
            self.currentInnerRotation += CGFloat(M_PI_4)
            self.innerCircleView.transform = CGAffineTransform(rotationAngle: self.currentInnerRotation)
            }, completion: {_ in
                self.delay(0.5, completion: {

        }
        
        let duration = Double(Float(arc4random()) /  Float(UInt32.max)) * 2.0 + 1.5
        let randomRotation = Double(Float(arc4random()) /  Float(UInt32.max)) * (Double.pi / 4) + (Double.pi / 4)
        
        //outer circle
        UIView.animate(withDuration: duration, delay: 0.0, usingSpringWithDamping: 0.4, initialSpringVelocity: 0.0, options: [], animations: {
