Improve TuneIn connector
Improve TuneIn connector

Some TuneIn stations have reversed "Artist-Track" format. The connector forces swapping artist-track values for such stations.

Closes #1970.

carpet-berlin/web-scrobbler,inverse/web-scrobbler,carpet-berlin/web-scrobbler,fakelbst/Chrome-Last.fm-Scrobbler,alexesprit/web-scrobbler,alexesprit/web-scrobbler,galeksandrp/web-scrobbler,david-sabata/web-scrobbler,galeksandrp/web-scrobbler,fakelbst/Chrome-Last.fm-Scrobbler,inverse/web-scrobbler,david-sabata/web-scrobbler