Auth_Default: Add support for exception handling.
Auth_Default: Add support for exception handling.

This function makes SimpleSAML_Auth_Default save the errorURL given
to the login functionin the state array. This will make the
SimpleSAML_Auth_State class pass exceptions to this url.

Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp