Rework reimbursement ID to associate parts of "lesser of" (or other such coupled statement) with one another
* refactor reimbursement ID generation with hashed service terms
* reduce hash length for unique reimbursement ID generation
* update reimbursement ID format to include 'exh_pg' for clarity
* clean up testing.ipynb
* one more formatting fix to testing.ipynb
* Move reimb_id generation to postprocessing
* move reimb_id function to postprocessing_funcs.py
* refactor generate_reimb_ids to group by FILE_NAME and EXHIBIT_PAGE for ID generation
* clean testing.ipynb further
Approved-by: Katon Minhas
Alex Galarce
04cb261831