v0.2.1

• Basic Copper compatibility.
• Upgraded bl to v0.5.0 to avoid buffer concatenations.
• Upgraded coap-packet to v0.1.7.
• Default status code for responses is '2.05'.

v0.2.0

• Confirmable messages support both in request and createServer.

v0.1.1

• README fixes.

v0.1.0

• coap.request() implementation for non-confirmable (NON) messages with automatic retry.
• coap.createServer() implementation with deduplication of messages (only NON requests are supported).
• Added IncomingMessage and OutgoingMessage to simplify setting the packet parameters (options, codes, ecc..)