private bool Migrate_7 ()
{
try { Execute ("UPDATE CorePrimarySources SET StringID = 'MusicLibrarySource-Library' WHERE StringID = 'Library'"); } catch {}
try { Execute ("UPDATE CorePrimarySources SET StringID = 'VideoLibrarySource-VideoLibrary' WHERE StringID = 'VideoLibrary'"); } catch {}
try { Execute ("UPDATE CorePrimarySources SET StringID = 'PodcastSource-podcasting' WHERE StringID = 'podcasting'"); } catch {}
try { Execute ("DELETE FROM CoreCache; DELETE FROM CoreCacheModels"); } catch {}
return true;
}