48 general refactoring of code written by fr3dmer

[Fr3dMer]

• [x] Update API tests
• [x] Add Docstrings and comments to API code
• [x] Improve commenting in main function
• [x] Replace prints with logging
• [x] db_manager.connection.close() add to main to close db connection when script finished
• [ ] Restructure repo to more closely match what is requested in rubric
• [x] Clean up ReadMe
• [x] Check PEP-8 conformance
• [ ] Finish integration of parser and db code in main
• [x] Modify unique ID to include panelapp id
• [ ] Stretch goal: Integration testing

[Fr3dMer]

Need to merge other pull requests into dev before I can finish pulling everything together