It's Common Lisp powered. Not exactly my area of interests and I lost quite a few minutes trying to learn about this. I wish CL people would stop pretending that theirs is the only Lisp.
So you was expecting to see Lisp that is inside your area of interests. Right? And title is saying Lisp, not "My Favorite Lisp". So now I'm assuming that you are pretending that only Lisp is your favorite flavor of lisp. Am I right?