#41 add pylint testing environment

[enflo]

Pull Request Template

Description

I added pylint to the project. The corresponding files have been modified. These files do not have tests, so the corresponding tests have not been generated.

Fixes # #41

Type of change

Please mark options that are relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ X ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• [ ] Test A
• [ ] Test B

Checklist:

• [ X ] I did follow the contribution guidelines
• [ X ] I have performed a self-review of my own code
• [ X ] I have commented my code, particularly in hard-to-understand areas
• [ X ] I have made corresponding changes to the documentation
• [ X ] My changes generate no new warnings
• [ X ] I have added tests that prove my fix is effective or that my feature works
• [ X ] New and existing unit tests pass locally with my changes