Refactored method names in database driver.
Refactored database tests to match refactored database methods.
Resolves Flake8 error.
Merge pull request #80 from zeldanerd24/db-driver-standard

Refactored DB methods
Refactored DB with better queries, extracted init
Added base data export
Exposed rethinkdb ports
Removed explicit db setting
Added rethinkdb provisioning