added preloop and postloop hooks into qse_httpd_ecb_t.

added qse_httpd_custom_t for customized event dispatching
allowed dns and urs services to be disabled programatically
added qse_httpd_addhnd() and qse_httpd_delhnd() for customized event dispatching

qse/cmd/http/httpd.c

@@ -30,7 +30,6 @@
 #elif defined(__DOS__)
 #	include <dos.h>
 #	include <tcp.h> /* watt-32 */
-#	include <conio.h>
 #else
 #	include <unistd.h>
 #	include <errno.h>
@@ -2797,6 +2796,8 @@ int qse_main (int argc, qse_achar_t* argv[])
 		ret = -1;
 		goto oops;
 	}
+
+	/*trace2com_init (1, 38400);*/
 #endif
 
 #if defined(HAVE_SSL)