I enjoyed the article but was also a little bummed `for` wasn't mentioned at all. Minor nit: `for` is a macro in the clojure.core namespace, not a special form

I enjoyed the article but was also a little bummed `for` wasn't mentioned at all. Minor nit: `for` is a macro in the clojure.core namespace, not a special form. Special forms in Clojure are these: http://clojure.org/special_forms http://clojure.org/special_forms