The PPS Test is a simple test of the Event reading/PPS output. The test
configures the Oregano to link the 1_PPS to both the Event_0 and Event_1
timestampers. The Test then opens the connection, enables the event
timestampers, waits about a second, and attempts to read the the inputs.
Assuming success the program should return with an exit code of 0. If there
was an error (opening failed, time stamp reading failed, or closing failed
then the program will exit with a non-0 value indicating how many of those