Move to a different impl which was my 1st concept and that which

Ruediger likes. Instead of adjusting pointers to areas
within the URL, simply copy it over and change it as needed.
Easier logic and not that much slower for normal cases.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@330085 13f79535-47bb-0310-9956-ffa450edef68