added System.exit(0) in main

src/application/Main.java

@@ -287,4 +287,9 @@ public class Main extends Application {
 		LOGGER = LogManager.getLogger(Main.class.getName());
 		launch(args);
 	}
+	
+	@Override
+	public void stop() {
+	    System.exit(0);
+	}
 }

src/application/MainWindowController.java

@@ -257,7 +257,7 @@ public class MainWindowController {
     private String selectedGameTitle;
     private String id;
     private String version = "0.2.0";
-    private String buildNumber = "045";
+    private String buildNumber = "047";
     private String versionName = "Puzzle Plank Galaxy";
     private int xPos = -200;
     private int yPos = 17;