Handle parent args

[b3j0f]

Pull Request Process

Before submitting a pull request

Be sure you have the latest code in hand. Pull the master branch

Be sure to make test and keep all test pass

Be sure to make tidy so your code style will keep the same

Be sure to make cover-report to see if any line not covered

Don't Rebase git history

General steps for completing this pull request

Checklist

Does your project contributions have steps to follow before being approved? Tests, documentation changing, etc?

Ensure that your pull request has followed all the steps below:

• [x] Code compilation
• [x] All tests passing
• [x] Extended the documentation, if applicable

Description

Ask the contributor to describe his pull request.

This pull request handle parent arguments when a sub command is defined

Proposed changes

Ask contributors about why you (or your project maintainers) would accept the pull request. If it solves a previous request, also ask to link to that issue.

Types of changes

Show in a checkbox-style, the expected types of changes your project is supposed to have:

• [ ] New feature
• [x] Bugfix
• [ ] Improve
• [ ] So on...