Made it so it says version outdated if the version is outdated

Right now its literally impossible to get the popup but at some point it
will be possible.

Scripts/Globals.cs

@@ -4,4 +4,5 @@ using System;
 public partial class Globals : Node {
     public static string LatestVersion = "";
     public static string AccessLevel = "";
+    public static bool VersionChecked = false;
 }