Extended on/off parsing to handle more types

Trigger update event when light goes offline/online
Rename cr to ct

Add support for specify port

v0.9.4

Add possibility to configure port

Limit changes sent to light

v0.9.3

Delete package-lock.json

v0.9.2: Brightness workaround, support alert and effect

Handle non-existing brightness
Support alert and effect keyword
Add demo flow

v0.9.1

Update version and github link

v0.8.0

Published to npm
Made it possible to use the code independent of Node-RED