gingerbread compat
Robust cache usage check

to avoid the settings menu bailing out
Scala nature
Group related albums
Sort albums while grouping

Sorts numbers last as well as other minor differences to a sort on the full album name.
Escape command arguments
Some speedings
No album art in album lists

for performance
Sort albums while grouping

Some noble lucks needed now.
Utils reorganised
Show related songs
Navigate to related album
Sticky related songs
Show related songs
Escape command arguments
Default settings
Unnecessary hacks
Classical-oriented naming
Output device filter
Output enslavement control