Merge pull request #65 from paul-2012/develop

get Error: 'First argument needs to be a number, array or string' with m...

Author: longbai

lib/rs.js

@@ -143,7 +143,7 @@ Service.prototype.uploadWithToken = function(uploadToken, stream, key, mimeType,
   var form = formstream();
   form.field('action', actionString);
   form.field('params', callbackQueryString);
-  form.field('multipart', true);
+  form.field('multipart', 'true');
   form.field('auth', uploadToken);
   form.stream('file', stream, filename, mimeType);
   form = new util.Form(form, form.headers()['Content-Type']);