Delete commented-out code.
Minor changes to the xibs, mainly setting a first responder.
Minor changes and fixes.
Note that most of these fixes have no effect yet on the plug-ins.
Allow multiple selections on the PlayerPRO Player.
Actually handle more than one file opened using NSPanels.
Implement file size for the PPMusicListObject class.
Rely on PPInfoRec to get a music’s size.
Merge branch 'master' into PPK-overhaul