Add the version command to the readme.
Add completions.

Make checkout, delete, publish, stage & update commands tab complete with the name of changes.
Add completions.

Make checkout, delete, publish, stage & update commands tab complete with the name of changes.
Merge pull request #38 from ketchup/change/6-tab-completion

Add completions.
Merge pull request #34 from ketchup/change/34-add-the-version-command-to-the-readme

Add the version command to the README.
Merge branch 'change/31-release-v1.3' into change/36-checkout-skip

Conflicts:
	libexec/change-checkout