Fix request URI parsing with query strings
Fix request URI parsing with query strings

Fixes #308. Fixes #317.

Drup/ocaml-cohttp,edwintorok/ocaml-cohttp,inhabitedtype/ocaml-cohttp,inhabitedtype/ocaml-cohttp,Drup/ocaml-cohttp,edwintorok/ocaml-cohttp,marklrh/ocaml-cohttp,dsheets/ocaml-cohttp,mor1/ocaml-cohttp,mor1/ocaml-cohttp,dsheets/ocaml-cohttp,mor1/ocaml-cohttp,marklrh/ocaml-cohttp,marklrh/ocaml-cohttp,inhabitedtype/ocaml-cohttp,edwintorok/ocaml-cohttp,dsheets/ocaml-cohttp,Drup/ocaml-cohttp