0.4.0

• [feat] #12 Websocket transport (both cleartext and ssl)
• [feat] #30 Monitoring (VM & wave metrics, using exometer, pushed to a statsd server)
• [feat] #18 $SYS topic tree (publishing previous metrics)
• [feat] #33 Access Logging (à la apache)
• [feat] #32 Simple authentification (file-based)
• [feat] #23 Improve docker image generation

0.3.0

• [feat] Retained messages
• [feat] Will testament
• [feat] CleanSession (offline storage, except inflight messages), storing Qos 0,1,2 messages
• [feat] supervisor tree
• [test] lots of new tests for MQTT v3.1.1 protocol compliance validation
• [test] execute paho tests in travis runs
• [fix] client is disconnected if not valid data is sent after tcp connection to the broker
• [fix] ignore duplicated inflight messages (received)
• [refactor] use syn for client ClientId uniqueness (replace redis storage)

OnTheWay to 3.1.1

• [feat] most of MQTT 3.1.1 points implemented and tested (missing DUP, CleanSession, Retain, Will Testament
• [feat] randomized packet id start value
• [test] improvements of build system and test framework
• [fix] compatibility with OTP 17 (gen_fsm:stop())

0.1.0

[doc] update PUBLISH callflows, adding Registry