Refactor  in SDWebImageManager
Refactor  in SDWebImageManager

rs/SDWebImage,dreampiggy/SDWebImage,tualatrix/SDWebImage,dreampiggy/SDWebImage,smule/SDWebImage,dreampiggy/SDWebImage,zhang-yawei/SDWebImage,awkward/SDWebImage,awkward/SDWebImage,iheartradio/SDWebImage,Insfgg99x/SDWebImage,awkward/SDWebImage