Changelog for 4.0.0-rc1
Changelog for 4.0.0-rc1

lovecc0923/asmack,Flowdalic/asmack,lizhangqu/asmack,tks-dp/asmack,Flowdalic/asmack,lizhangqu/asmack,chuangWu/asmack,chuangWu/asmack,ZachGoldberg/asmack,tks-dp/asmack,ZachGoldberg/asmack,lovecc0923/asmack