Added the current request as an argument to the upload callback.

Author: mihail-stanchev

lib/uploadhandler.js

@@ -19,10 +19,10 @@ module.exports = function (options) {
         this.req = req;
         this.res = res;
 
-        if (typeof options.callback === 'Function') {
+        if (typeof options.callback === 'function') {
             this.callback = function(files, redirect) {
                 if (Array.isArray(files)) {
-                    options.callback(files, function() {
+                    options.callback(req, files, function() {
                         callback(files, redirect);
                     });
                 } else {