Changes with nginx 0.8.33 01 Feb 2010

    *) Security: now nginx/Windows ignores trailing spaces in URI.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Security: now nginx/Windows ignores short files names.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Change: now keepalive connections after POST requests are not
       disabled for MSIE 7.0+. Thanks to Adam Lounds.

    *) Workaround: now keepalive connections are disabled for Safari.
       Thanks to Joshua Sierles.

    *) Bugfix: if a proxied or FastCGI request was internally redirected to
       another proxied or FastCGI location, then $upstream_response_time
       variable may have abnormally large value; the bug had appeared in
       0.8.7.

    *) Bugfix: a segmentation fault might occur in a worker process, while
       discarding a request body; the bug had appeared in 0.8.11.