Use QProcess and rm for clearCache
Hopefully this fixes the problem, where it deleted the whole user dir.
Make Events enum const QEvent::Type to silence warnings.
Use deleteLater() instead of direct delete to delete the user.
Improve deletion of user
Use deleteLater for AudioOutput
Merge branch 'shared_ptr' of https://github.com/lukedirtwalker/libQtSpotify into shared_ptr
Use connectionstate callback
Instead of checking it all the time manually
Fix logout crash
Apparently the playlistContainer m_container in
QSpotifyPlaylistContainer is invalid after the user is loggedOut.