o SSL/TLS: support Kerberos cipher suites (RFC2712).
o SSL/TLS: allow more precise control of renegotiations and sessions.
o SSL/TLS: add callback to retrieve SSL/TLS messages.
+ o SSL/TLS: add draft AES ciphersuites (disabled unless explicitly requested).
Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d: