Change SupportedVersions extension to only include TLS v1.3 if downgrade
is disabled.
Fix parsing of SupportedVersions extension
Don't upgrade
Only downgrade in SupportedVersions extension if option enabled
Changed the define in configure.ac to match the one used in the code.
Fixed downgrading to disallow unless ssl->options.downgrade is set.
TLS 1.3 client method does not have downgrade on anymore.
Test changed to not expect downgrading to work.
Test of TLS v1.3 client downgrade is actually upgrading on server.
Fixed 80 character line problems.
Reset list of supported sig algorithms before sending certificate
request on server.
Refactored setting of ticket for both TLS13 and earlier.
Remember the type of key for deciding which sig alg to use with TLS13
CertificateVerify.
RSA PKCS #1.5 not allowed in TLS13 for CertificateVerify.
Remove all remaining DTLS code as spec barely started.
Turn off SHA512 code where decision based on cipher suite hash.
Fix fragment handling to work with encrypted messages.
Test public APIS.
Fix TLS13 cipher suite name to CHACHA20
Include SignatureAlgorithm in older versions of TLS when compiling for
TLS v1.3.
BIT STRING unused bits doesn't necessarily indicate last unused bit.
Fix ecc_dsa_sa_algo value.
