Merge pull request #1 from patrickdebruijn/master

Forced topics to be always lowercase in Karma plugin
Merge pull request #4 from patrickdebruijn/master

Ignore empty topics,this time with a better and cleaner fix ;)
Merge pull request #5 from patrickdebruijn/master

Force topics to be lower case in update and stats functions
deamonized!
Added ignore functionality to ai.js