Changes for clojure.core/sort-by

jafingerhut on Wed, 28 Mar 2012
user=> (sort-by :rank [{:rank 2} {:rank 3} {:rank 1}])
({:rank 1} {:rank 2} {:rank 3})
kotarak on Wed, 11 Aug 2010
user=> (sort-by :rank [{:rank 2} {:rank 3} {:rank 1}])
({:rank 1} {:rank 2} {:rank 3})