Added optional security hash check.

classes/Module.php

@@ -97,6 +97,18 @@ class Module extends Object
 	 */
 	protected $method = null;
 
+	/**
+	 * Hash
+	 *
+	 * Whether or not to validate the security hash. Boolean true will indicate
+	 * using the name of the module as the hash, a string value will use the
+	 * value instead.
+	 *
+	 * @access protected
+	 * @var    string or boolean, null by default
+	 */
+	protected $hash = null;
+
 	/**
 	 * Default display engine
 	 *