v0.5.4

• fixed bit helpers

v0.5.3

• made string helpers NULL-safe

v0.5.2

• support for big endian architectures

v0.5.1

• allow timers to return negative numbers

v0.5.0

• properly initialize callback_ref
• removed mandatory client parameter for callbacks
• safely set return codes
• be more careful with qos levels

v0.4.0

• renamed ping pong logic
• reset pong pending on connect

v0.3.3

• send the ping request a little earlier than needed

v0.3.2

• use uint32_t for timeouts (fixes 16bit integer overflows)
• use const modifier for buf_end parameters

v0.3.1

• fixed bug in example
• fix payload issue
• improved yield with no availability data
• improved tests

v0.3.0

• updated code to use fixed integers and size_t if appropriate
• store will payload as a string
• change API to expose string objects rather than C strings
• renamed string constructor