v0.20.1

What's Changed

• refactor: move cli to return codes always and check by @benfdking in #910
• internal: preparing tests for fix by @benfdking in #911
• docs: add documentation to cli by @benfdking in #912
• fix: add SegmentBuilder::comma method and update rule usage by @gvozdvmozgu in #918
• chore: bump version by @benfdking in #921

Full Changelog: v0.20.0...v0.20.1