Changed send_dir() to remove user/passwd from displayed URL. Changed login

error messages to be more descriptive. Removed extraneous Explain() calls.

Resolution of PR #123.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@77655 13f79535-47bb-0310-9956-ffa450edef68