Fixing z-index bug with widgets
Last style change
Merge pull request #491 from demaagdk/develop

Skip backfill on frames with no image (if scrubber running)
Merge pull request #492 from demaagdk/develop

Fix mime type when saving images (was image/jpg, now image/jpeg)
add/fix default sort
Merge pull request #493 from Tendrid/develop

add/fix default sort
Merge pull request #494 from demaagdk/develop

handle backfills when no imgfile
add guppy to pip requirements