Changes for clojure.core/when

frangio on Fri, 06 Jan 2012
user=> (when (= 1 1) true)
true

user=> (when (not= 1 1) true)
nil
philos99 on Wed, 28 Sep 2011
user=> (when (= 1 1) true)
true

user=> (when (not (= 1 1)) true)
nil
dpritchett on Tue, 13 Jul 2010
user=> (when (= 1 1) true)
true
user=> (when (not (= 1 1)) true)
nil