What's Changed
- build: CircleCI 2.1 + build matrix by @elithrar in https://github.com/gorilla/mux/pull/595
- Include "404" and "405" in the docs by @Jille in https://github.com/gorilla/mux/pull/602
- docs: update README w.r.t new maintainer ask by @elithrar in https://github.com/gorilla/mux/pull/660
- regexp: use iota instead of hardcoded values for regexType* by @michaelgrigoryan25 in htt...