calls r:wsupgrade() can cause a child process crash.
[Edward Lu <Chaosed0 gmail.com>]
+ *) mod_proxy, mod_ssl, mod_cache_socache, mod_socache_*: Support machine
+ readable server-status produced when using the "?auto" query string.
+ [Rainer Jung]
+
+ *) mod_status: Add more data to machine readable server-status produced
+ when using the "?auto" query string. [Rainer Jung]
+
*) mod_proxy_wstunnel: Bypass the handler while the connection is not
upgraded to WebSocket, so that other modules can possibly take over
the leading HTTP requests. [Yann Ylavic]