Added some code for building UART packets, also organized things.

Sensor initialization/reading code now goes in the Sensors.c file

builds, but has not been tested
added functions for reading the gyroscope
added code examples for updating the screen and getting into sync
renamed serial example file
added python serial code, also updated UART Tx packet format

python code displays accelerometer x, y, z data
Added ping feature, and more statistics
computer now interprets python code, some small tweaks