0.04    2015-09-17
        * In Device::ProXR::RelayControl, corrected problem when calling the
          relay_on() and relay_off() methods with a single parameter
        * Corrected some POD errors

0.03    2015-08-24
        * Updated relay_on() and relay_off() methods to accept zero based
          relay number, or bank and relay numbers as parameters

0.01    2015-08-19
        * Initial release as trial module