Swithed to own Lastfm API key to not accidentally cause original maintainer's (nhrx) key ban.
Added lastfm track tags support and cli command for getting
lastfm tags for track, 'db' alias for 'database' and some minor stuff
More strict lastfm tags sanitization
Added 'lt' filter (stands for lastfm track tag like 'la' and 'lb' for artist and album)