Contributing

Must follow the guide for issues

Use the search tool before opening a new issue.
Please provide source code and stack trace if you found a bug.
Please review the existing issues and provide feedback to them

Pull Request Process

Open your pull request against dev branch
It should pass all tests in the available continuous integrations systems such as TravisCI.
You should add/modify tests to cover your proposed code changes.
If your pull request contains a new feature, please document it on the README.