Change req.host to return host
Remove res.send(body, status) signature
Remove res.json(obj, status) signature
Remove res.jsonp(obj, status) signature
Remove app.router error message
Change req.query to a getter
Refactor away init middleware
Add app.router reference back
Remove app.del
Remove utils.contentDisposition
Remove req.acceptsCharset
Remove acceptsEncoding
Remove req.acceptsLanguage
Remove res.sendfile
Remove res.send(status) signature
5.0.0-alpha.1
update