Changes
Version 0.29-TRIAL
    Rewrite the sign and verify to fix issues validating some valid
    documents
    Change to XML::LibXML
    Add support for more modern Canonicalization Methods
Version 0.28
    Release version bump version
Version 0.27
    First release of XML::Sig since 2009
    Includes all changes from Net::SAML2::XML::Sig.
        Please see History.md for the details of how XML::Sig has
        evolved
    Fixes:
        RSA|DSAKeyValue have KeyValue element which prevented signatures
        from validating
        Fix issue validating with xmlsec in the test suite