updated npm modules

node_modules/express/lib/request.js

@@ -430,6 +430,10 @@ defineGetter(req, 'hostname', function hostname(){
 
   if (!host || !trust(this.connection.remoteAddress, 0)) {
     host = this.get('Host');
+  } else if (host.indexOf(',') !== -1) {
+    // Note: X-Forwarded-Host is normally only ever a
+    //       single value, but this is to be safe.
+    host = host.substring(0, host.indexOf(',')).trimRight()
   }
 
   if (!host) return;