Make it more clear how the pins/pin software used is working.

MotorControl/gpiozero/motor_session.py

@@ -1,11 +1,14 @@
 import os
-from gpiozero import Servo
+from gpiozero import Servo, Device
 
 GPIOZERO_PIN_FACTORY = "piggpio"
 
 class Motor:
     def __init__(self, motor_pin=19):
+        # This may not work properly, should print.
         os.environ["GPIOZERO_PIN_FACTORY"] = GPIOZERO_PIN_FACTORY
+        print('Using pin factory: ' + Device.pin_factory)
+        # This will say it fails if pigpio daemon is already started, just ignore it.
         os.system("sudo pigpiod")
         self.set_motor_pin(motor_pin)
         self.initialise_motor()