(feat) Moved Alloy onto Request.
(fix) Fixed Iron and Chain for Alloy move.
(fix) Updated examples for Alloy move.
(chore) Ignore new Cargo.lock file.
Merge pull request #120 from reem/feat/ignore-cargo-lock

(chore) Ignore new Cargo.lock file.
(fix) Disable doc tests (now run from Cargo).
Merge pull request #123 from michaelsproul/fix/doctests

(fix) Disable doc tests. [Fixes #121]
(feat) Embed a url::Url inside Request.
Merge pull request #116 from michaelsproul/feat/url-method

(feat) Embed a url::Url inside every Request.
Merge pull request #119 from reem/feat/move-alloy

(feat) Move Alloy from a param to enter and exit to Request::alloy
(hotfix) Added missing alloy field.
(doc) Update docs for Alloy move.
Merge pull request #124 from michaelsproul/fix/alloy-move-doc

(doc) Update docs for Alloy move.