+=head3 call_authenticate
+
+This method first checks if the relevant model class
+can authenticate the user, or falls back to the default
+authenticate method of your Maypole application.
+
+
+=head3 call_exception
+
+This model is called to catch exceptions, first after authenticate
+,then after processing the model class, and finally to check for
+exceptions from the view class.
+
+This method first checks if the relevant model class
+can handle exceptions the user, or falls back to the default
+exception method of your Maypole application.
+
+
+=head3 handler
+
+This method sets up the class if it's not done yet, sets some
+defaults and leaves the dirty work to handler_guts.
+
+=head3 handler_guts
+
+This is the core of maypole. You don't want to know.
+