- Made bluetooth implementation slightly more resilient. Thanks to https://community.home-assistant.io/t/airthings-radon-detector/87043/10?u=martytremblay
- Upgraded to pygatt 4.0.3 to resolve stability issues
- Fixed low-frequency updates
- Changed default updates to be from 1 minute to 5 minutes
- Added support for Pico Curie 'pCi/L' imperial units
- Initial release.