8/28/2021: Built models in Accounts and Pilot_Log apps during class. (TM & TS)
8/28/2021: Added str dunders to models and broke out two additional tables from accounts for mission qual and aircraft qual. Also moved the MISSION_CHOICES and AIRCRAFT_TYPES constants to settings.py so they would be available to both models. (TM)
8/31/2021: Added templates and started views/urls. (TS)
9/1/2021: Added additional templates and established login/logout/log entry functionality. Also fully implemented logbook entry and display. (TM & TS)
9/3/2021: Added CSS (TS)