Changelog:
- [youtube] Update extraction of like/dislike count #170 @RedpointsBots
- [youtube] Added 'subscriber_count' to extraction #172 @RedpointsBots
- [youtube] fix yt-only playback when age restricted/gated - requires cookies #171 @blackjack4494
- [youtube] Fix yt search + feeds #173 @xarantolus
- [Bandcamp] update - fix regexp for JSON matching #150 @gilou
- [Mtv] [Mtvn] updated extractor logic & more #176 @blackjack4494
- [youtube-dl] update master 07.10.2020 #155