Motivation: The MqttEncoder was failing to build because it was using a method that doesn't exist. Modifications: Change sessionPresent() to isSessionPresent(). Result: MqttEnccoder is now able to build.
Motivation: The MqttEncoder was failing to build because it was using a method that doesn't exist. Modifications: Change sessionPresent() to isSessionPresent(). Result: MqttEnccoder is now able to build.