Fixes #409 - Unexpected arguments passed to wrapper function in _.wrap when the first argument of calling the wrapper function is an array

underscore.js

@@ -25,7 +25,6 @@
 
   // Create quick reference variables for speed access to core prototypes.
   var slice            = ArrayProto.slice,
-      concat           = ArrayProto.concat,
       unshift          = ArrayProto.unshift,
       toString         = ObjProto.toString,
       hasOwnProperty   = ObjProto.hasOwnProperty;
@@ -584,7 +583,7 @@
   // conditionally execute the original function.
   _.wrap = function(func, wrapper) {
     return function() {
-      var args = concat.apply([func], arguments);
+      var args = [func].concat(slice.call(arguments, 0));
       return wrapper.apply(this, args);
     };
   };