Made the filter box more user-friendly

The button to change operators (=, >=, <=, etc.) doesn't have any
functionality yet but otherwise the control is slightly more
user-friendly - but hey at least the filter is ready to be given a
function to generate an SQL query! I've been working on this since noon
so score 11 hours for the MPP sucka! YEYEYE
Merge branch 'master' of https://github.com/patoui/KingWilliams