Trim down currently unused code even further
Rename Event.category -> categories as it's a ManyToMany relationship
Add verbosity option handling to importing
Add missing migration
Implement better handling of dates when filtering for events
Simplify serializer code
Add support for 'include' API parameter for including nested resources (jsonapi.org)
Implement bbox filtering
Add missing UTF-8 declarations
Fix for Python 2.x support
Kulke: Do not attempt to import categories if no categories exist in DB
Some more Python 2.x fixes
Add better language support for importers
Temporarily disable Allärs to enable testing.
Bugfix: typo.
Add init option to importer to enable bulk importing from scratch.
Add bulk import of YSO categories.