Bugfixes:

- Fix App crashes when interacting with playlist (@Mouath)

- Fix leaked database cursor resource

- Fix playback order to respect preference setting on albums fragment

- Fix the removal of existing downloads

- Fix unresponsive bluetooth buttons with Oreo and later (thanks @hdasch)

- Fix warnings in log output due to leaked BufferedReader resource (thanks @hdasch)

- Fixes problem where users are logged out sporadically (thanks to @hdasch)