Make sure to run pip3 install -r requirements.txt to install all necessary requirements.
Just run python3 server.py to start up the server. The server boots up on port 5000, so you can access
the GET commands via the browser by going to, for example, http://localhost:5000/vehicles/1000.
Run pytest -v to run tests. This will automatically run tests for the Smartcar API and makes sure we
are calling the right things to the GM API also.