Wonderland Number kata

We'll continue our hands-on coding sessions with the next kata from Carin Meier (http://gigasquidsoftware.com/)'s Living Clojure (http://shop.oreilly.com/product/0636920034292.do) Training Program:

• Wonderland Number kata (https://github.com/gigasquid/wonderland-clojure-katas/tree/master/wonderland-number)