*) Feature: now the "tcp_nodelay" directive works with SPDY
connections.
*) Bugfix: in error handling.
Thanks to Yichun Z. and Daniil Bondarev.
*) Bugfix: alerts "header already sent" appeared in logs if the
"post_action" directive was used; the bug had appeared in 1.5.4.
*) Bugfix: alerts "sem_post() failed" might appear in logs.
*) Bugfix: in hash table handling.
Thanks to Chris West.
*) Bugfix: in integer overflow handling.
Thanks to Régis Leroy.
These versions are to support legacy users who are already using Cygwin
based builds of Nginx. Officially supported native Windows binaries are
at nginx.org.