Looks good, but could you address my comments? Thanks!

Sure, thanks for the review and suggestions. I update based on your recommendations.

OK, I addressed your comments by doing the following and rebased the topic branch fresh on master:

1. Rename attribute to commitstatuses
2. Add blank line per PEP8
3. Remove deprecated function that was being added to Gitlab class
4. And also: Remove usage example from the deleted README.md file

The usage example seems helpful to give a quick summary of the expectations of the multiple GitLab attributes for this operation:

gitlab project-commit-status create --project-id 2 --commit-id a43290c \
    --state success --name ci/jenkins --target-url http://server/build/123 \
    --description "Jenkins build succeeded"

And the docstring that was in the Gitlab class function was a useful quick reference:

    This is often used for automated software build or test status.

    Args:
        id: Commit reference.
        kwargs: Arbitrary keyword arguments for the status:
            Required:
            - state: pending, running, success, failed, canceled
            Optional:
            - description: short description of this status
            - name:        label for this status e.g., name=ci/jenkins
            - ref:         branch reference e.g., ref=master
            - target_url:  hyperlink target for this status

At some point it would be nice to add this kind of info to the docs for the project-commit-status creation operation.

Thanks for the patch. I'll add the documentation bits