CHANGELOG:
Fix: Don't remove a playlist in case of fetching error, instead mark it as a failed playlist
Fix: Fixed the 2 playlists artwork
Add: If no previous or next song is queued, rewind and fast forward buttons will show in notification
Improve: No need play all button anymore for playlists. You choose music from playlist, you chose playlist as well
Improve: Made various improvements in UI
Improve: Boosted app stability and speed with quality and performance enhancements