Release v0.9.0
- New: support pointer flags. #22
- New: support grouping command into different categories in help. #23
- New: support flag value and positional arg completion by function. #27 (thanks @akemrir)
- Fix: typo in README.md. #28 (thanks @maartenverheul)
- Change: use capitalized words instead of all uppercase in usage title. #25