Change subviews' properties to be weak
Change subviews' properties to be weak

They don't need to be strong, because they're referenced by their superview.
This change simplifies the process of tearing down the view in dismissAnimated:duration:completion: (remember that the action sheet can be shown more than once!)

lucoceano/AHKActionSheet,shenhzou654321/AHKActionSheet,haaakon/AHKActionSheet,Raizlabs/AHKActionSheet,ChetanGandhi/AHKActionSheet,AlexanderMazaletskiy/AHKActionSheet,puvanarajan/AHKActionSheet,fastred/AHKActionSheet