### Your checklist for this pull request

Please review the [guidelines for contributing](http://solidity.readthedocs.io/en/latest/contributing.html) to this repository.

Please also note that this project is released with a [Contributor Code of Conduct](CONDUCT.md). By participating in this project you agree to abide by its terms.

### Checklist
- [ ] Code compiles correctly
- [ ] All tests passing
- [ ] Created tests which fail without the change (if possible)
- [ ] Extended the README / documentation, if necessary
- [ ] Used meaningful commit messages

### Description
Please explain the changes you made here.

Thank you for your help!