Do not default to persistent

Bugfix:

• do not default to persistent name id format when the nameid format is missing from the authnrequest.

v1.0.12

• 653f74d generate response for user without attributes.
• c3f1484 bump xml-kit dependency.
• 57d4f99 loop through all certificates once.
• 571bf4d fix links in documentation.
• 7df9b0e generate authnrequest without nameidpolicy.
• 94554ea record xml schema error.

v1.0.11

• fa39468 cache template_path.
• 80c76f1 attempt to reproduce CVE-2017-11428 that affects ruby-saml. commit.
• fea703f include examples and exclude bin and dotfiles.

v1.0.10

• 0fc0290 frozen_string_literal.
• 33d4523 reuse namespaces in matcher.
• f7cd8c5 use xpath to parse metadata.
• 25dc015 parse expected type with xpath.
• a9463f1 parse nameid using xpath.
• 9d41e9d rename to name_id_policy.
• 0a5b5b2 parse name_id_policy_format using xpath.
• c6b0921 parse ACS using xpath.
• 9cc1812 parse InResponseTo with xpath.
• d3ce092 parse status code using xpath.
• 532a0ca use nokogiri to parse version attribute.
• 1181741 use xpath instead of hash lookup.
• 4343d46 xpath to parse document ID
• 753276b remove xml_hash from assertion.
• d892f9e check for encryption using xpath and ivars.
• 98defed use xpath to find audiences.
• 970619f use xpath to parse attributes.
• b952585 parse dates via xpath.
• 72c860b use xpath to find nameid.
• 5195eb2 use xpath to find issuer.