Fix MPDPlaylist.refresh to correctly use playlist changes to modify the current playlist
Fix MPDPlaylist.refresh to correctly use playlist changes to modify the current playlist

abarisain/dmix,eisnerd/mupeace,abarisain/dmix,philchand/mpdroid-2014,joansmith/dmix,0359xiaodong/dmix,jcnoir/dmix,hurzl/dmix,philchand/mpdroid-2014,philchand/mpdroid-2014,philchand/mpdroid-2014,joansmith/dmix,eisnerd/mupeace,jcnoir/dmix,hurzl/dmix,0359xiaodong/dmix,eisnerd/mupeace