Please follow the "fork-and-pull" Git workflow, generally as described below:
- Fork the repo on GitHub
- Clone the project to your own machine
- Commit changes to your own branch
- Push your work back up to your fork
- Merge the latest version of the code from upstream
- Submit a Pull Request so that we can review your changes
Please include your name and a summary of your works to the list of contributors in CONTRIBUTORS.txt.