Commands for the live cast broadcaster:
!cast on - Live cast start,
!cast off - Live cast stop,
!cast description,text - Set description,
!cast kick,name - Kick spectator from your live cast,
!cast ban,name - Ban spectator on your live cast,
!cast unban,name - Unban spectator on your live cast,
!cast mute,name - Mute spectator on your live cast,
!cast unmute,name - Unmute spectator on your live cast.