Splendid!

Searcher doesn't mind at all, just few mininotes..
- why 0.5.7 if it works with 0.6.1
- u didn't change the copied changelog.txt
- it's not really such a security breach because it's using the default taskfreak query syntax so it is being sanitized after all (right, Stan?)
I love your plugin, you should run through the forum and make few more like this
