some weakrefs
SongEdit: show some more attribs, some formating
SongEdit: duration
SongEdit: sort attribs
Song.tags: also split by "+"
Song.tags: also split by "&"
ffmpeg.calcAcoustIdFingerprint: fail if too less data
ffmpeg.calcAcoustIdFingerprint: better error handling
ffmpeg.calcReplayGain: fail if too less data
escape fix
escape fix
queue: filter some songs
fix
another stupid fix (annoying python...)
another fix
workaround for crash. should fix #23

see <http://bugs.python.org/issue17263> for details
small fix