Changelog:

Dividers for lists based on provider, togglable in settings.
New Artist details screen, discography based on release year of album. Fixes #33
Star/Unstar Album support.
Favourite/Starred songs playlist.
Better playlist management. Fixes #32
Fixed local playlist artwork
Optimized lyrics updates and accuracy.
Improved media controls.
Local file support: fixed genres, added album art placeholders.
Radios now CORRECTLY get the metadata of the currently playing song.
Disable buttons when unsupported.
UI/UX improvements.

Known Issues:

After changing some settings, all the data is cleared from screens and need to be manually refreshed.
Playing radios from Android Auto will not set metadata correctly (empty cover art).

Note: Updates through Google Play are delayed from GitHub releases because of the review process.