Use cookie package; connect package no longer supports cookies.

server/dev/app.js

@@ -1,16 +1,17 @@
-var utils = require('connect/utils');
+var cookie = require('cookie');
 
-module.exports = function(app) {
-    app.get('/', function(req, res) {
+module.exports = function(route, app) {
+    app.get(route+'/', function(req, res) {
         res.render('chat', {
             locals: {}
         });
     });
 
-    app.get('/cookie', function(req, res) {
-        res.send('cookie set', {
-            'Set-Cookie': utils.serializeCookie('sessionid', utils.uid(),
+    app.get(route+'/cookie', function(req, res) {
+        res.setHeader('Set-Cookie',
+            cookie.serialize('sessionid', require('connect').utils.uid(40),
                                                 {path: '/'})
-        });
+        );
+        res.send('cookie set');
     });
 };