+ - Dump the "internal server state" (configured servers, established
+ connections and known clients) to the console or syslog when receiving
+ the SIGUSR2 signal and debug mode is enabled.
+ - Enable the daemon to disable and enable "debug mode" on runtime using
+ signal SIGUSR1, when debug code is compiled in, not only on startup
+ using the command line parameters.
+ - Signal handler: added new 'delayed' signal handlers, including fallback
+ to deprecated sysv API. And removed global NGIRCd_SignalRehash variable.
+ - IO: add io_cloexec() to set close-on-exec flag.
+ - ng_ipaddr.h: include required assert.h header.
+ - Conn_SyncServerStruct(): test all connections; and work case insensitive