(feat) Added a redirect constructor to Response.
Merge pull request #197 from gaudecker/feat/redirect

Added redirect constructor to Response.
(doc) Publicize the middleware module so that it's documentation shows in rustdoc.
Merge pull request #198 from reem/publicize-middleware-mod

(doc) Publicize the middleware module so that its documentation shows in rustdoc.
(feat) Convert Iron URLs to rust-url URLs.
Merge pull request #199 from michaelsproul/feat-url-conversion

Allow Iron URLs to convert to rust-url URLs.