added testing script, docstrings and comments, bug fixes

.gitignore

examples/testing_config.json

examples/testing_withoutb2luigi.py

src/models/IN_trained_mediumbg.pt

src/models/IN_trained_mediumbg_settings.json

src/modules/HitCleanupModule.py

src/modules/getCDCInfoModule.py

src/utils/cleanup.py

src/utils/graphbuilding.py

src/utils/preprocess.py