updated Podspec file
updated Podspec file

xishui2011/UzysAnimatedGifPullToRefresh,uzysjung/UzysAnimatedGifPullToRefresh,xishui2011/UzysAnimatedGifPullToRefresh,uzysjung/UzysAnimatedGifPullToRefresh,xishui2011/UzysAnimatedGifPullToRefresh,uzysjung/UzysAnimatedGifPullToRefresh