What's Changed
* Add long description hook to readme by kefeimo in https://github.com/VOLTTRON/dnp3-python/pull/17
* allow github action to build wheel for multiple version by kefeimo in https://github.com/VOLTTRON/dnp3-python/pull/21
**Full Changelog**: https://github.com/VOLTTRON/dnp3-python/compare/v0.2.3b3...v0.2.3b7