Changes for clojure.core/bit-flip

jafingerhut on Wed, 28 Mar 2012
user=> (bit-flip 2r1011 2)
15 
;; 15 = 2r1111

(bit-flip 2r1111 2)
11 
;; 11 = 2r1011
zmila on Wed, 28 Jul 2010
user=> (bit-flip 2r1011 2)
15 
;; 15 = 2r1111

(bit-flip 2r1111 2)
11 
;; 11 = 2r1011