Before creating your Pull Request...

New Pull Requests should include a good description of what's being merged.
Ideally, all Pull Requests are preceded by a discussion initiated in an Issue on this repository.
For bug fixes is mandatory to have tests that cover and fail when the bug is present and will pass after this Pull Request.
For changes and improvements, new tests have to be provided to cover the new features.

Is this a fix, improvement or something else?

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What does this change implement/fix?

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I have ...

answered the 2 questions above,
discussed this change in an issue,
included tests to cover this changes.