2.1

• Add CoA support (client and server).
• Add tagged attribute support (send only).
• Add salt encryption support (encrypt 2).
• Add ascend data filter support (human readable format to octets).
• Add ipv6 address and prefix support.
• Add support for octet strings in hex (starting with 0x).
• Add support for types short, signed and byte.
• Add support for VSA's with multiple sub TLV's.
• Use a different random generator to improve the security of generated packet ids and authenticators.