epistrephein/rarbg

## Pull Request description
A clear and concise explanation of what changes your PR introduces and why this was needed.

## Pull Request checklist

###### Kind of change
- [ ] My code is a **minor change** (typo, configuration, anything not related to core functionality)
- [ ] My code is a **bug fix** (non-breaking change which fixes an issue)
- [ ] My code is a **new feature** (non-breaking change which adds functionality)
- [ ] My code introduces a **breaking change** (fix or feature that would break existing functionality)

###### Style and tests
- [ ] My code follows the code style of this project
- [ ] I have added tests to cover my changes
- [ ] All new and existing tests passed

###### Documentation
- [ ] My changes require a change to the documentation
- [ ] I have updated the documentation accordingly

###### Changelog
- [ ] I have included the CHANGELOG entry for the changes