fixed #4297: Change cardinality for AspectAttribute 'Director' to ManyToMany
fixed #4296: Add 'Writers' to VideoAspect
Clear SeriesInfo collection properties before adding values from TheTvDb
split tvdb strings by comma and additionally to pipe only and trim spaces
fixed #4292: Remove OFDB field from movie aspect
Unified Audio "Duration" data type to "long" (in seconds)
Added long as type for seconds in DurationConverter
fixed 4295: typo in MatroskaTag for season release date, D was missing
fixed 4307: Read SUMMARY tag from MatroskaFiles within VideoMDE