Added
- New `_prepare_help` method to show all conditional arguments in help output
- Added conditional argument availability messages in help text
- Added `_callable_representation` method to generate human-readable condition descriptions
- Added comprehensive internal method documentation in API docs
- Added more thorough help text testing
Changed
- Help system now shows all possible conditional arguments regardless of current state
- Help messages now include information about when conditional arguments become available
- Improved error handling in `add_conditional` method
- Updated documentation to reflect new help system behavior
- Code formatting improvements for better readability
- Added black code formatter to project
Removed
- Removed behavior where help messages would only show currently available arguments