Changes with nginx 0.6.36 02 Apr 2009

    *) Change: now the "Invalid argument" error returned by
       setsockopt(TCP_NODELAY) on Solaris, is ignored.

    *) Change: now POSTs without "Content-Length" header line are allowed.

    *) Feature: the "try_files" directive.

    *) Feature: the --with-pcre option in the configure.

    *) Feature: the "if_modified_since" directive.

    *) Feature: the "$cookie_..." variables.

    *) Feature: the "$arg_..." variables.

    *) Bugfix: compatibility with Tru64 UNIX.
       Thanks to Dustin Marquess.

    *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for
       asymmetric ciphers.
       Thanks to Marcin Gozdalik.

    *) Bugfix: in a redirect rewrite directive original arguments were
       concatenated with new arguments by a "?" rather than an "&";
       the bug had appeared in 0.1.18.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built on AIX.

    *) Bugfix: a double response might be returned if the epoll or rtsig
       methods are used and a redirect was returned to a request with
       body.
       Thanks to Eden Li.

    *) Bugfix: a segmentation fault might occur in worker process if
       "resolver" directive was used in SMTP proxy.

    *) Bugfix: fastcgi_store stored files not always.

    *) Bugfix: nginx did not process a FastCGI server response, if the
       server send too many messages to stderr before response.