Version：4.1.1 Date：2015-08-5
Update the content：
【Add】 a new curve editor for animation animation effects.
【Add】new onion skin tool is added to facilitate frame alignment before and after animation.
【Add】Added IK Pose tool to make Pose more convenient.
【Add】Add the Egret H5 preview function, and truly what you see is what you get.
【Add】enhanced texture export function.
【Add】a new curve editor for animation animation effects.
【Fix】fixed the bug that the skeleton in DB Pro could not be renamed