Changed delegate method's signature more Cocoa style. Added a method that notify observer when finish each animation loop.
Changed delegate method's signature more Cocoa style.
Added a method that notify observer when finish each animation loop.

pNre/Kingfisher,pNre/Kingfisher,tomaskraina/Kingfisher,tomaskraina/Kingfisher,tomaskraina/Kingfisher,pNre/Kingfisher