Add test to connect to master brick
First BDD test

Connect to master brick and test where connection succeeded
Add basic tests

Add basic tests for creating a connection with the brick, which is
mocked. This required a refactor of the way I originally envisioned the
project would be structured. I have also copied, almost verbatim, the
RuggedExample provided by Tinkerforge.
Add tests for connecting to three different sensors
Fix problem with requirements.txt
Add feature file for measuring electricity
Add electricity measuring

Add functionality to measure electricity with the ambient light sensor.
This results in the time stamp of each pulse being stored in the
in-memory database
Add simple persistence

This will not work due to threading issues
Add documentation to functions
Renamed device_connected to is_device_connected
Minor changes to file
Add Flask app
Function cannot be static
Fix database in multiple threads problem
Add SQLAlchemy for persistence

Remove sql statements
Add additional dependencies
Put electricity in database and show on index page
Fix broken tests
Create database if it doesn't exist
Test to create database