Well, we certainly want to move that way, but it's not that easy as you might imagine :-)
First, the "kernel" is not the right place for such thing - it should be placed inside the VPS to be updatable more easily.
Second, the tool was written as a completely standalone and cannot be simply "included" into avast! - they are very different; some kind of interface has to be created first. But yes, such a thing is planned for avast! 4.1.