Heavily improved devedit_reload():

- Detection of SSL encrypted HTTP (HTTPS) by checking the HTTPS environment
  variable
- Check if the server listens on the default port or not
- Support for query string parameters with multiple values - thanks a lot to
  Andre Malo (n.d. parker)!
- Encode non-ASCII-chars and special chars in the query string
- Using virtual_host() from the CGI module (has some advantages)