Idle timeout counter updated value

7 seems better than 5.

src/conf.c

@@ -48,7 +48,7 @@ void default_conf()
 	PyFCGI_conf.verbosity = 0;
 	PyFCGI_conf.pool_timeout = 5;
 	PyFCGI_conf.worker_timeout = 3;
-	PyFCGI_conf.worker_gc_timeout = 5;
+	PyFCGI_conf.worker_gc_timeout = 7;
 }
 
 int parse_args(int argc, char *argv[])