senchalabs/connect — pull request #745 by printercu (2013-02-07 18:57:16+00:00)
Title: dual functions for basic & err handling

```js
app.use(function(err, req, res, next) {
// ...
}, true)
```
this handler will be involved both for successful & failed requests. One can save session, for example, here. Or log request ended