Changes with nginx 0.5.35 08 Jan 2008

    *) Change: now the ngx_http_userid_module adds start time microseconds
       to the cookie field contains a pid value.

    *) Change: now the uname(2) is used on Linux instead of procfs.
       Thanks to Ilya Novikov.

    *) Feature: the "If-Range" request header line support.
       Thanks to Alexander V. Inyukhin.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
       error; bug appeared in 0.5.13.

    *) Bugfix: the STARTTLS in SMTP mode did not work.
       Thanks to Oleg Motienko.

    *) Bugfix: large_client_header_buffers did not freed before going to
       keep-alive state.
       Thanks to Olexander Shtepa.

    *) Bugfix: the "limit_rate" directive did not allow to use full
       throughput, even if limit value was very high.

    *) Bugfix: the $status variable was equal to 0 if a proxied server
       returned response in HTTP/0.9 version.

    *) Bugfix: if the "?" character was in a "error_page" directive, then
       it was escaped in a proxied request; bug appeared in 0.5.32.