tvshowmatching: match names without season (foo.E01)
tvshowmatching: allow digits after 'part'. e.g. foo.part.1
add tests for EnumerateEpisodeItem
Merge pull request #4966 from tamland/tvregex

Relax tv show matching for names without season
[music] better match multiple MBIDs in artist and albumartist tags (i.e. more separators)
[tests] add test for TagLoaderTagLib::SplitMBID