Release v3.1.0 · hmueller01/pubsubclient3

Major Changes

Complete code refactoring, removed duplicated code, added tons of comments making it easier to understand
API change to size_t for all length parameter and internal handling to support the MQTT specified max. packet size
API change of endPublish() from int to bool (as specified in the API spec)
Fixed various (potential) memory violations
Fixed handling of keep alive messages

Fix domain buffer by @hmueller01 in #10
Refactor size_t by @hmueller01 in #11
Fix keepalive handling by @hmueller01 in #14
Use initializer lists instead of assigning global members in constructor by @hmueller01 in #15
Fix DEBUG_PSC_PRINTF outputs by @hmueller01 in #18
Fix castings by @hmueller01 in #20
Use MQTTRETAINED flag by @hmueller01 in #21
Optimize __has_include by @hmueller01 in #19
buildHeader() function updates by @hmueller01 in #22
Refactor read* functions by @hmueller01 in #23
member variables before functions by @hmueller01 in #24
Refactor loop by @hmueller01 in #17
Refactoring for better readability by @hmueller01 in #26
remove unneeded this-> on _state variables by @hmueller01 in #27
Fix potential memory corruption in MQTTPUBLISH callback preparation by @hmueller01 in #25
refactor beginPublish() and endPublish() by @hmueller01 in #28
Refactor publish_P() by @hmueller01 in #30
Refactor publish() by @hmueller01 in #31
add _client->read() failure test by @hmueller01 in #32
Optimize tests by @hmueller01 in #41
Refactor connect() by @hmueller01 in #40
Update buildHeader() by @hmueller01 in #37
Refactor socketTimeout to millis by @hmueller01 in #38
Refactor keepAlive to millis by @hmueller01 in #39
just some tidy ups of the function order ... by @hmueller01 in #43
switch to class member initialization instead of constructor init-lists by @hmueller01 in #42
Refactorings of connected(), subscribe() and unsubscribe() by @hmueller01 in #44
v3.1.0 release by @hmueller01 in #45

Full Changelog: v3.0.2...v3.1.0