Make Every Class Internal

Util/RegistryUtil.cs

@@ -2,7 +2,7 @@ using System;
 
 namespace ADOFAIRenderer.Util
 {
-    public static class RegistryUtil
+    internal static class RegistryUtil
     {
         private static readonly Type? RegistryKeyType;
         private static readonly Type? RegistryHiveType;