Fun programs to try
test_motors - Run the motors (with the robot upside down).
test_button - Press the button, Max!
test_encoders_a - Just read the wheel encoders. 
                  There is no direction information, counts only increase.
test_lights - Do something with the pretty lights.
test_voltage - Print out the battery voltage.
test_ir - Test the range finders. I don't know if this works.
