Added CHANGELOG.md
Added CHANGELOG.md

smule/SDWebImage,ttgb/SDWebImage,dreampiggy/SDWebImage,heroims/SDWebImage,yunzhongyoulong/SDWebImage,geoffmacd/SDWebImage,awkward/SDWebImage,buleSky111/SDWebImage,cochat/SDWebImage,smyrgl/SDWebImage,ikesyo/SDWebImage,awkward/SDWebImage,zllbird/SDWebImage,twobitlabs/SDWebImage,iosnatarajan/SDWebImage,HannaLu/SDWebImage,altrooz/SDWebImage,tualatrix/SDWebImage,bpoplauschi/SDWebImage,odyth/SDWebImage,rs/SDWebImage,amyhametov/SDWebImage,ruaho/SDWebImage,dreampiggy/SDWebImage,dpettigrew/SDWebImage,dreampiggy/SDWebImage,klundberg/SDWebImage,zhang-yawei/SDWebImage,tokorom/SDWebImage,Kekanto/SDWebImage,awkward/SDWebImage,Insfgg99x/SDWebImage,Frntbac/SDWebImage,iMinichrispy/SDWebImage,mattjgalloway/SDWebImage,iheartradio/SDWebImage