Make rustdoc not treat RFC quotations as tests.
typo

practial -> practical
Merge pull request #8 from brohee/patch-1

typo
Do not reference an obsolete RFC in a new library

Reference the new and improved RFC 7230 instead of the RFC 2616 which it obsoleted.
Merge pull request #9 from brohee/patch-1

Do not reference an obsolete RFC in a new library
Update PartialOrd impl for upstream changes.