TODO: Refactoring Work

1. Unit tests using py.test
2. Deduplication as per suggestions of codeclimate
3. software release
   1. pip package
4. performance benchmarking
   1. time
   2. memory
5. logging framework
6. identify and quantify the requirements of (global) bulk data structures
7. itertools to manage memory consumption of the data structure
8. Create call graphs using the information given on this issue

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Specific Refactoring Suggestions

1. change the functional param in get_lone_author_threads() of read.py to positional