with formatters for common used formats. Available formats styles are `RubyCAS`, `Jasig`
and `Name-Value. Default is Jasig style. See module source code for more details.
+CAS_AUTO_REDIRECT_AFTER_LOGOUT - If False (default behavior, specified in CAS protocol)
+after successful logout notification page will be shown. If it's True, after successful logout will
+be auto redirect back to service without any notification.
+
PROTOCOL DOCUMENTATION
=====================