Dont store the state the Mock SP should be in
Allow getting of the last debug message from the Container.
Hackish way to get at the message XML that was received by the SAML2 library.
Refactor: store ID prefix in class constant.
Store XML as a part of the AuthnRequest gotten from the logfile.
Set the proper IDs for EB to use in generating the response.
Compare the AuthnRequests against each other.
Better error reporting when failing to get the SAML Response in /sp.php/{spName}/acs