_.after(0, callback) now fires callback immediately

underscore.js

@@ -595,9 +595,9 @@
 
   // Returns a function that will only be executed after being called N times.
   _.after = function(times, func) {
-    return function() {
+    return times ? function() {
       if (--times < 1) { return func.apply(this, arguments); }
-    };
+    } : func();
   };
 
   // Object Functions