Add new methods to `Session` to return a `Response` object containing the output + HTTP header fields. This could be useful for libs like [CohesionKit](https://github.com/pjechris/CohesionKit) which could use the response date when feeding the identity map
Add new methods to
Sessionto return aResponseobject containing the output + HTTP header fields.This could be useful for libs like CohesionKit which could use the response date when feeding the identity map