new functionality: auto-add scrobbled records to the user's discogs collection
new: autoadd to discogs is a settings option
new: button to add release to discogs collection in ReleaseInfoTab
fix: get main version id in case of a master release for discogs collection checking/adding
changed historydatabase to more common vinyldatabase
new: local discogs collection db
fix: cleaning up db connections after use
fix: more lightweight storage of thumbs, static database usage
new: cache discogs collection setting
fix: remove from cache on discogs error/token revocation
fix: exception catching of heavy used threads
fix: unused import cleanup
new: album wall for discogs Collection
cleanup gitignore