What's Changed
- Implement [GitHub Actions CI](https://github.com/PaNOSC-ViNYL/libpyvinyl/blob/v1.1.0/.github/workflows/ci.yml).
- Implement `BaseData` and `BaseFormat` [classes](https://github.com/PaNOSC-ViNYL/libpyvinyl/wiki#an-example-of-the-usage-of-libpyvinyl).
- Implement `Parameter`, `MasterParameter`, `Parameters`, `CalculatorParameters` and `InstrumentParameters`. See [Parameter.py](https://github.com/PaNOSC-ViNYL/libpyvinyl/blob/v1.1.0/libpyvinyl/Parameters/Parameter.py) and [Collections.py](https://github.com/PaNOSC-ViNYL/libpyvinyl/blob/v1.1.0/libpyvinyl/Parameters/Collections.py).
- Add [plusminus](https://github.com/PaNOSC-ViNYL/libpyvinyl/tree/v1.1.0/tests/integration/plusminus) integration test.
- Implement a new GitHub master branch rebase workflow.