Features

• Support --output for porter version #553
• Generate CLI Documentation (#550)
• Split the exec arguments into optional flags and args (#541)

Fixes

• Bump cnab-go to get the fix for marshaling parameters of type object (#563)
• Make the exec mixin reusable (#562)
• Add test for json object parameter (#560)
• Do not validate k8s mixin against json schema at runtime (#557)