Use API for as many calls as possible

[JakeQuilty]

Use the Github API to make the PR, Commit, new branch, etc commands that are currently being executed through the command line from the Python file

[JakeQuilty]

https://developer.github.com/v3/repos/contents/

[JakeQuilty]

https://github.com/PyGithub/PyGithub

[JakeQuilty]

https://pygithub.readthedocs.io/en/latest/apis.html