A new version of the add-on is available on Github, version 0.5.1!
Version 0.5.1 is more stable, has better control over the advanced settings, adds debug logging and support Philips livingwhite bulbs.
Download the latest version from GitHub:
Should you run into any problems, please enable the “debug logging” from the advanced settings panel. It will log a bunch of information to your xbmc.log that will greatly help me to debug the issue at hand.