This release adds support for a SQLite backend, as well as bugfixes for the delayed/scheduled tasks feature.
- Added official SQLite support. (SHA: 7ff4236)
- Fixed several bugs around delayed/scheduled tasks. (SHA: 2e51867)
- Fixed the SQS backend to delete messages & trimming delays to an int. (SHA: cd6c4e2)
- Fixed the Redis & SQS backend docstrings. (SHA: 4fe15e7)