Refactor NamedInterval struct cluster

Refactor NamedInterval to protocol / struct cluster (#42)

* Update env config

* Update frameworks to modern ones

* Refactoring NamedInterval cluster

* Inject bit twiddle into NamedIntervalQuality

* Test NamedIntervalQuality inversions

* Refactoring NamedInterval

* Add doc comments

* Add doc comments

* Add doc comments

* Itemize what's left for RelativeNamedInterval init

* Update dependencies

* Tidy up

* Remove old code

* Clean up

* Clean up tests

* Fix copy files phase