Revision history for RPi-WiringPi-Constant

1.01    2017-07-08
        - added new tag :pwm_mode that contains the values for setting the PWM
          mode to either MS (mark-space) or BAL (balanced) mode

1.00    2017-06-24
        - added new tag :altmode that contains the value for the Pi pin ALT
          modes

0.02    unknown
        - added edge detection constants
        - added PUD constants
        - added setup mode constants

0.01    unknown
        - first version, released on an unsuspecting world.