Debugging ComPAS.

Initialization succeeded, GPS read failed:

Initializing magnetomer.
Initializing encoder.
Initializing accelerometer.
Initializing GPS.
Intializing the GPS on uart 2.
Initializing XBee.
Initializing barometer.
Initializing interface.
ComPAS initialized.
Failed reading GPS message at byte 0.
Failed reading GPS message at byte 0.