The project is initialized by the user.py file, which has default file names for the csv files which the data is stored in. Consider checking out the test.py file in order to get an idea on how to use the app. All criticism is welcome.
Great thanks to Thomas Sileo for the tutorial on OAuth for Python/Twitter. It was a new concept to me and it would have taken ages for me to figure it out by myself. (Source: https://thomassileo.name/blog/2013/01/25/using-twitter-rest-api-v1-dot-1-with-python/)