(fix) Updated for chain.link.
Merge pull request #7 from iron/fix/chain-link

(fix) Updated for chain.link.
(feat) Added cargo.
Merge pull request #9 from iron/feat/cargo

(feat) Added cargo.
Merge pull request #8 from iron/refactor/req-url

(refactor) Use req.url API.
(fix) Moved debug statement.
(fix) Do not shift mounted character.
(fix) Handle requests as relative paths.
(feat) 303 when attempting to serve files as dir.