Fetches the number of tracks contained in a playlist
fix possible infinite servercomm loop when something goes wrong while trying to take the DJ seat
Merge branch 'dev/solo' of https://github.com/lca4/unison-android into dev/solo
Merge branch 'dev/solo' of https://github.com/lca4/unison-android into dev/solo
Merge branch 'master' into dev/solo