3.5.0

• #412 Empty instead of unset the $_SESSION variable
• #433 Fix Incorrect Destination in LogoutResponse when using responseUrl #443
• Update xmlseclibs to 3.1.1
• Add support for SMARTCARD_PKI and RSA_TOKEN Auth Contexts
• Get lib path dinamically
• Check for x509Cert of the IdP when loading settings, even if the security index was not provided
• Support Statements with Attribute elements with the same name enabling the allowRepeatAttributeName setting