Fix input fields with multiple enabled:

- req.files[fieldname] is an Object when no multiple files are sent in the same field.
- req.files[fieldname] is an Array of Objects when multiple files are sent for fieldname.

lib/index.js

@@ -50,7 +50,7 @@ module.exports = function(options) {
             console.log('filename yo', filename);
           }
 
-          return req.files[fieldname] = {
+          var newFile = {
             name: filename,
             data: buf,
             encoding: encoding,
@@ -67,6 +67,15 @@ module.exports = function(options) {
               });
             }
           };
+
+          if (!req.files.hasOwnProperty(fieldname)) {
+            req.files[fieldname] = newFile;
+          } else {
+            if (req.files[fieldname] instanceof Array)
+                req.files[fieldname].push(newFile);
+            else
+                req.files[fieldname] = [req.files[fieldname], newFile];
+          }
         });
       });