- Use unix-io instead of stdio to read /dev/random (fixes problems
  on FreeBSD)
- Correctly unescape all parts of the request uri and the uri
  attribute of the Authorization header before doing comparison
- Fixes for MD5-sess
- Don't send a domain attribute in Proxy-Authenticate

PR: 4967
Obtained from:
Submitted by:	 Joe Orton <joe@orton.demon.co.uk>, Kano <tomo@crane-inc.co.jp>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83909 13f79535-47bb-0310-9956-ffa450edef68