Contributions are welcomed, but not all changes may be in line with the goal of the project. When in doubt while adding major new features, open an Issue first.
To make sure this project can be used as widely as possible, we need you to give us broad rights on your contribution (so there is no risk of getting into copyright arguments somewhere in the future). Therefore:
By submitting a pull request to this project, you grant the maintainers and recipients of the software, a perpetual, non-exclusive, worldwide, fully paid-up, royalty free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute your contribution and such derivative works. You represent that you are legally entitled to grant the above license.