[1.7.0] Fix bug in HTMLPurifier_Harness that causes certain aspects of $input to change after parsing

- Add makeLookup() convenience function to HTMLModule
- Relocate SGML exclusion comment
- Add preliminary Bdo module test

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1049 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/HTMLModuleHarness.php

@@ -0,0 +1,14 @@
+<?php
+
+require_once 'HTMLPurifier/StrategyHarness.php';
+require_once 'HTMLPurifier/Strategy/Core.php';
+
+class HTMLPurifier_HTMLModuleHarness extends HTMLPurifier_StrategyHarness
+{
+    function setup() {
+        parent::setup();
+        $this->obj = new HTMLPurifier_Strategy_Core();
+    }
+}
+
+?>