v0.8.1: added a version printout to desktop error messages

desktop/src/main/java/com/shatteredpixel/shatteredpixeldungeon/desktop/DesktopLauncher.java

@@ -77,6 +77,7 @@ public class DesktopLauncher {
 				TinyFileDialogs.tinyfd_messageBox(title + " Has Crashed!",
 						title + " has run into an error it can't recover from and has crashed, sorry about that!\n\n" +
 						"If you could, please email this error message to the developer (Evan@ShatteredPixel.com):\n\n" +
+						"version: " + Game.version + "\n" +
 						exceptionMsg,
 						"ok", "error", false );
 				if (Gdx.app != null) Gdx.app.exit();