Fixes * returning an error via SetLastError(), we never want to report
            an error from the error log code, flipped the sequence.
        * complete support for HSE_REQ_MAP_URL_TO_PATH_EX
        * new directives to control behavior, and react to those directives


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@86336 13f79535-47bb-0310-9956-ffa450edef68