Added

• An option to display an icon at the end of each item which indicates a nested submenu (#26).
• viewBoundCallback added to default items as well
• Allow customizing default popup style via theme attribute (#53, thanks to @Tunous)
• Make it possible to dismiss popup from viewBoundCallback (#57, thanks to @Tunous)

Fixed

• Disabled clipToPadding on menu RecyclerView (#54, thanks to @Tunous)
• Take marg