Changed - update dependencies - move to new namespace package structure - move `constants` to `configurations`
0.2.0
Changed - applied movement from music related parameter and converter modules (which have been moved from [mutwo core](https://github.com/mutwo-org/mutwo) in version 0.49.0 to [mutwo.ext-music](https://github.com/mutwo-org/mutwo.ext-music))