exit after status was returned when status argument was given on the command line

src/main.rs

@@ -45,7 +45,7 @@ fn main () {
                 pin_switch_off();
                 return;
             },
-            "status" => println!("Inverter status: {}" , if pin_status() == 0 { "off" } else { "on" }),
+            "status" => { println!("Inverter status: {}" , if pin_status() == 0 { "off" } else { "on" }); std::process::exit(0); },
             "test" => pin_test(config_file_path),
             "config" => {
                 if args.len() > n + 1 { config_file_path = args[n + 1].as_str(); }