- Add two-tier help system: global help shows all commands, command-specific help shows only relevant options
- Update cli.py to provide comprehensive command overview in global help
- Add crypt_cli_subparser.py with 1.0.0-compatible command-specific argument parsers
- Filter out 1.1.0-only algorithms (MAYO and CROSS) to maintain version consistency
- Patch crypt_cli.py to detect help requests and route to appropriate subparser
- Maintain full backward compatibility for all non-help functionality
- Significantly improve user experience by reducing cognitive load and showing contextually relevant options

Version Updates:
- Bump version to 1.0.1 in setup.py
- Update RELEASE_NOTES.md with 1.0.1 features and changes
- Update CHANGELOG.md with detailed 1.0.1 changelog entry
- Update version.py.template with 1.0.1 version history entry

Version-specific features:
- Only shows algorithms available in 1.0.0 (excludes MAYO-1/3/5 and CROSS-128/192/256)
- Maintains all existing 1.0.0 encryption/decryption functionality
- Provides same improved help UX as 1.1.0 without version confusion

🤖 Generated with [Claude Code](https://claude.ai/code

)

Co-Authored-By: Claude <noreply@anthropic.com>