Fastfeatureflag

Feat

- **feature_flag**: enable `self` within decorated functions
- **feature_flag**: pytest compatibility via `.pytest()`

Feat

- **feature_flag**: use `shadow` to call a different function/method
- **all**: feature flag configuration by file

Fix

- **feature_flag_configuration**: updating and synchronising features

Refactor

- **all/***: reduces complexity

Feat

- **all**: featuer flag configuration by file
- **flaggen**: load configuration

Refactor

- **flaggen**: simplified code

Feat

- **feature_flag**: add named feature

Fix

- **flaggen**: improved the feuatre flag naming
- **feauter_flag**: added stateful decorator
- **flaggen,-docs**: added dynamic output to feature flag
- **pyflag**: simple featue flag implementation