v1.0.4

• fix self refers to the method 'LoadingView.self', which may be unexpected warning

v1.0.3

• Add restoreAnimation method in case animation was removed from the layer

v1.0.2

• Fix onDraw recursion
• Fix willEnterForegroundNotification notification observer was never called

v1.0.1

• iOS 10 supported

v1.0.0

Initial release