Changes for clojure.core/long

zkim on Sun, 26 Sep 2010
user=> (= 21 (long 21))
true 

;; but
user=> (.equals 21 (long 21))
false 

;; and thus
user=> (get {21 :twenty-one} (long 21))
nil 
zmila on Thu, 05 Aug 2010
user=> (= 21 (long 21))
true 

; but
user=> (.equals 21 (long 21))
false 

; and thus
user=> (get {21 :twenty-one} (long 21))
nil