Allow #"!" in the url path
Allow #"!" in the url path

This is allowed in RFC 3986 "Uniform Resource Identifier (URI): Generic
Syntax"

This fixes issue https://github.com/metaeducation/ren-c/issues/483:

>> decode-url http://localhost:8080/test:bla!blub
== [scheme: 'http
    port-id: 8080 host: "localhost" path: "/test:bla!blub"
]

giuliolunati/ren-c,kealist/ren-c,kealist/ren-c,rgchris/ren-c,codebybrett/ren-c,hostilefork/rebol,codebybrett/ren-c,codebybrett/ren-c,kealist/ren-c,giuliolunati/ren-c,rgchris/ren-c,codebybrett/ren-c,hostilefork/rebol,hostilefork/rebol,codebybrett/ren-c,giuliolunati/ren-c,kealist/ren-c,draegtun/ren-c,rgchris/ren-c,hostilefork/rebol,kealist/ren-c,draegtun/ren-c,draegtun/ren-c,kealist/ren-c,giuliolunati/ren-c,codebybrett/ren-c,hostilefork/rebol,draegtun/ren-c,rgchris/ren-c,draegtun/ren-c,rgchris/ren-c,giuliolunati/ren-c,draegtun/ren-c,hostilefork/rebol