Update CHANGELOG.rst.
Update CHANGELOG.rst.

gtmanfred/livestreamer,Klaudit/livestreamer,Feverqwe/livestreamer,javiercantero/streamlink,back-to/streamlink,Saturn/livestreamer,blxd/livestreamer,beardypig/streamlink,bastimeyer/streamlink,Dobatymo/livestreamer,charmander/livestreamer,beardypig/streamlink,bastimeyer/streamlink,wolftankk/livestreamer,derrod/livestreamer,wlerin/streamlink,gravyboat/streamlink,melmorabity/streamlink,wlerin/streamlink,flijloku/livestreamer,chhe/livestreamer,chhe/streamlink,programming086/livestreamer,mmetak/streamlink,okaywit/livestreamer,chrippa/livestreamer,caorong/livestreamer,flijloku/livestreamer,mmetak/streamlink,intact/livestreamer,hmit/livestreamer,fishscene/streamlink,blxd/livestreamer,ethanhlc/streamlink,Klaudit/livestreamer,caorong/livestreamer,lyhiving/livestreamer,lyhiving/livestreamer,gravyboat/streamlink,jtsymon/livestreamer,okaywit/livestreamer,sbstp/streamlink,ethanhlc/streamlink,fishscene/streamlink,javiercantero/streamlink,jtsymon/livestreamer,sbstp/streamlink,back-to/streamlink,streamlink/streamlink,streamlink/streamlink,hmit/livestreamer,derrod/livestreamer,gtmanfred/livestreamer,Masaz-/livestreamer,intact/livestreamer,Masaz-/livestreamer,wolftankk/livestreamer,charmander/livestreamer,chrippa/livestreamer,chhe/livestreamer,melmorabity/streamlink,programming086/livestreamer,chhe/streamlink,Feverqwe/livestreamer,Saturn/livestreamer,Dobatymo/livestreamer