Improvement

SONGKONG-2798 Add summary of what has changed on Song Details page

Bug

SONGKONG-1099 Part No derived from title needs to handle IIIa , IIIb in title

SONGKONG-2792 FileRenamer.deleteFolderIfEmptyUnlessBaseFolder Error:Cannot read the array length because "<local2>" is null

SONGKONG-2796 Issue with mp4 and discno

SONGKONG-2800 There are %d albums with their songs split between a mix of different albums, these can be viewed on the %s sub tab

SONGKONG-2802 Filename Scripter for MusicBrainz fields is not properly checking when field values used in script are missing