connect-rest cant return headers

[nimblemo]

Hi,this descision cant return headers when i use connect-rest package.

session_start_app: function (req, content, cb) {


       return cb( null,
           {
               status: '201',
               message:"hi"
           },
           {
               statusCode: 203, // can't return
               headers: // can't return
                   {
                       ETag: "10c24bc-4ab-457e1c1f"
                    }
           } );

    }