added config_file param to init so local testing can be done without setting up a qaqc.cfg file.
PR Self Evaluation
[x] I have reviewed my code to check that it contains no sensitive information.
~- [ ] I have commented my code, particularly in hard-to-understand areas~
[x] My changes generate no new warnings
[x] I have added tests or modified existing tests that prove my fix is effective or that my feature works
[x] Existing unit tests pass locally with my changes
PR Self Evaluation