Cleo 0.4 is now out. Commands have been largely improved and are now easier to use. Helpers have also been improved. Overall, Cleo is now more intuitive.

Cleo 0.3 is now out. It introduces decorators, validators, autocompletion and removes the need to declare a configure method when creating a command.

Cleo 0.2 is now out with a lot of improvements and new features.