Extract a new Array#middle method from the functionality of Array#median
Extract a new Array#middle method from the functionality of Array#median

nicolasmccurdy/magician,nicolasmccurdy/magician-lisp,nicolasmccurdy/magician-lisp,nicolasmccurdy/magician-clojure,nicolasmccurdy/magician-haskell,nicolasmccurdy/magician-clojure