Refactor Decorators into Stackable Classes

[felixnext]

Decorators could be refactored to derive from a base class.

This could take care of certain abstractions (such as creating loggers) as well as automatically decomposing stacked operators (to avoid the @clean decorator at the outer layer.

References:

• https://machinelearningmastery.com/a-gentle-introduction-to-decorators-in-python
• https://python-patterns.guide/gang-of-four/decorator-pattern/
• https://realpython.com/primer-on-python-decorators/

This still requires a bunch of design and depends on #10 and #9