What's Changed
* Add note about large workflows by pencil in https://github.com/Outset-AI/dramatiq-workflow/pull/3
* Make sure AtMostOnceBarrier only releases once (or never) by pencil in https://github.com/Outset-AI/dramatiq-workflow/pull/4
* More efficient completion callback serialization by pencil in https://github.com/Outset-AI/dramatiq-workflow/pull/5
* Always use barrier by pencil in https://github.com/Outset-AI/dramatiq-workflow/pull/2
**Full Changelog**: https://github.com/Outset-AI/dramatiq-workflow/compare/v0.1.1...v0.2.0