http://warrensoft.co.uk/home-hub/code/controller/actuators.py
http://warrensoft.co.uk/home-hub/code/controller/timers.py
http://warrensoft.co.uk/home-hub/code/controller/actuator_helpers/__init__.py
http://warrensoft.co.uk/home-hub/code/controller/actuator_helpers/simple_on_off.py