extract commonly used class from the Tokenizer

src/main/java/carpet/script/ScriptHost.java

@@ -138,7 +138,7 @@ public abstract class ScriptHost
     @FunctionalInterface
     public interface ErrorSnooper
     {
-        List<String> apply(Expression expression, Tokenizer.Token token, Context context, String message);
+        List<String> apply(Expression expression, Token token, Context context, String message);
     }
 
     public ErrorSnooper errorSnooper = null;