Initial Release
First stable release of pions/dtls with the following features
- DTLS 1.2 Client/Server (No DTLS 1.0)
- Forward secrecy using ECDHE; with curve25519 (non-PFS will not be supported)
- Handshake retransmission
- Handshake out of order handshake processing
- Support for the following ciphers
- TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
- TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256