exports.Redirect = function Redirect(){
  express.Request.prototype.redirect = function(){
    // ...
  }
  express.Server
    .addListener('request', function(request){
      // if we dont have plugin instances, then
      // pretty much have to start plunking props
      // on request for state
      request.redirect = request.redirect || {}
      request.redirect.home = ...
    })
}