* Remember last brightness value and use it on turn_on()
* Pyfnip-0.2 now returns state reliably, no manual changes needed.
* Split too long line of code
* Updated pyfnip library version
* Added support for FutureNow light platform and relay/dimmer units
* Pinned specific version for requirement
* Added support for FutureNow light platform and relay/dimmer units
* Added futurenow.py to .coveragerc.
* Minor fixes and enhancements as requested in the code review.
* Minor fixes and enhancements as requested in the code review.
* Use device_config's value directly as it's validated as boolean.
* Simplify state check.
* Fixed brightness update that was broken in previous commit.