Use unique pipe name and fix pipe blocking on open on *nix.
Use unique pipe name and fix pipe blocking on open on *nix.

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