Add name class member variable to modules.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@749 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/HTMLModule.php

@@ -16,6 +16,11 @@
 
 class HTMLPurifier_HTMLModule
 {
+    /**
+     * Short unique string identifier of the module
+     */
+    var $name;
+    
     /**
      * List of elements that the module implements.
      * @note This is only for convention, as a module will often loop