[UserSettings] fix migration
[UserSettings] fix UserSettings.get_private_podcasts()
[History] add index
[Podcasts] precompute episode order for faster paging
[Podcasts] schedule due podcast updates every hour
[Requirements] add pep8, flake8 as dev requirements
[Podcasts] make Episode.order a BigInteger
[Podcasts] make Episode.duration a BigInteger
[Directory] don't fail on missing random podcast
[Tests] remove outdated comment about failing test
[Users] remove unused UserProfile.uuid
[Podcasts] order episodes by "order"
[Setup] update gunicorn config
[Web] add missing import
[Subscriptions] fix OPML export
[Publisher] incorrect number of new/existing publisher permissions
[API] type error with "since" parameter
[API] normalize URLs after removing empty entries
[Feeds] update / fix feed-downloader
[UserSettings] fix variable name