resets and shutdown glitches
Scaling all on one thread now, no mutex needed
Remove refresh preference, doesn't work well in the current plugin prfs dialog, some optimisations
vfs_zip: Fix filtering in scandir
tracing
gtkui: shutdown sequencing
Search inside zip files, quicker reset
Remove unnecessary diff
Merge pull request #39 from Lithopsian/artwork

artwork: reset, shutdown, fixes, and scanning zip files