Explain use of argparse
Add explanatory note to util.py
Simple examples of how to filter queries
Demonstrate use of basic filtered queries
Easily fetch districts by state
Put many demos in demonstrate_queries()
Clean up import_data.py
move .sql files to sql/ folder
Import MPCE data from Rie as CSV files
fix MPCE CSV files
Beta importing of MPCE data (just print values)
Import all MPCE data

Worst commit ever. Sorry about that.
Updated database with MPCE data
Merge remote-tracking branch 'upstream/master'
clarified how MPCE data is imported
generate_people method that doesn't work

Can't generate whole population at once
created Person database class
methods to add people to the database
Working people generation and database insertion!
Database also has access to engine

Can make insertion faster, probably maybe