Feature Request - Tags

Having the possibility of adding tasks in order to categorise our tasks would be amazing. Also that we are able to filter by tag. 

A user gave some great suggestions about this a while ago: 

http://weekplan.userecho.com/topic/135946-tagging-...

I guess this is not a priority at this moment, but nevertheless would be nice to have in the future :) 

Thanks,

DIrk