added some comments about incoming parameters... from an alternative workcopy, i had to checkin
added some comments about incoming parameters... from an alternative workcopy, i had to checkin

ArtemTeleshev/php-saml2,newmen/saml2,madmatt/saml2,sgomez/saml2,cb8/saml2,sitya/saml2,simplesamlphp/saml2