Changes with nginx 0.8.40 07 Jun 2010
*) Security: now nginx/Windows ignores default file stream name. Thanks to Jose Antonio Vazquez Gonzalez.
*) Feature: the ngx_http_uwsgi_module. Thanks to Roberto De Ioris.
*) Feature: a "fastcgi_param" directive with value starting with "HTTP_" overrides a client request header line.
*) Bugfix: the "If-Modified-Since", "If-Range", etc. client request header lines were passed to FastCGI-server while caching.
*) Bugfix: listen unix domain socket could not be changed during reconfiguration. Thanks to Maxim Dounin.