Changes for clojure.core/gensym

zkim on Sun, 26 Sep 2010
user=> (gensym)
G__2034

user=> (let [my-unique-sym (gensym)]
         my-unique-sym)
G__2075
defn on Mon, 02 Aug 2010
(gensym)
; => G__2034

(let [my-unique-sym (gensym)]
  my-unique-sym)
; => G__2075