v0.6.4

• Exit with zero on --help
• Add support for required catch_all arguments

v0.6.3

• Exit gracefully if bash version is < 4

v0.6.2

• Add default option for environment variables

v0.6.1

• Refactor completions to allow adding custom functions (like git branches)

v0.6.0

• Add bash completion generation
• Drop support for Ruby < 2.7

v0.5.1

• Add support for a custom help footer

v0.5.0

• Add support for extensible commands

v0.4.5

• Avoid wrapping uninterrupted strings

v0.4.4

• Fix catch all help when no args are used

v0.4.3

• Add ability to catch arbitrary args and flags