Improved the has_broadcaster_language logic
Improved the has_broadcaster_language logic

streamlink/streamlink-twitch-gui,arclupin/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,streamlink/streamlink-twitch-gui,arclupin/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui