Pipen-args

- 🐛 Fix --outdir and --workdir
- 🎨 Raise informative error when used in two pipelines

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.9.4...0.9.5

- 💼 Create pipeline subfolder in workdir
- ⬆️ Bump pipen to 0.9.5

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.9.3...0.9.4

- 🐛 Fix --workdir not working

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.9.2...0.9.3

- 🐛 Fix proc values not used as default

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.9.1...0.9.2

- 👷 Update CI
- 📝 Fix README.md
- 🐛 Warn about overwritting input data

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.9.0...0.9.1

- ⬆️ Drop support to python 3.7
- ⬆️ Bump pipen to 0.9
- ⬆️ Bump pipen-annotate to 0.7.1
- ♻️ Register the plugin by default, no need to import
- 👷 Remove python 3.7 from CI

**Full Changelog**: https://github.com/pwwang/pipen-args/compare/0.8.0...0.9.0