Added support for patch method
no ns qualified call necessary
might as well use unqualified upper-case as well
patch test
patch testing for conformance to https://tools.ietf.org/html/rfc5789#section-3.1
%(get % ::r) -> ::r
Merge pull request #115 from daviddpark/patch-support-12

Merge patch to support http request method PATCH by David Park.