v0.2

This version breaks ABI compatibility, so make sure to rebuild your code after updating. Eventually I hope we can commit to not breaking the ABI but that will probably be after release 1.0.

Fixes

• Miscellaneous Windows build fixes.
• Don't allow constructing a Buffer with a null payload and a size > 0 (#88)
• Make BufferedProducer thread safe (#72)
• Log error in case consumer destruction throws (#61)
• Stop using deprecated rdkafka function rd_kafka_errno2err (#47)
• Explicitly destroy callbacks on Consumer upon object destruction (#39)
• Various build system fixes

New features

• Allow using a timeout on BufferedProducer::flush and BufferedProducer::wait_for_acks (#86)
• Add pause/resume on Producer (#87)
• Check per topic/partition errors on API calls that return topic partition handle lists (#90)
• Allow forcing to use an rdkafka static library archive (#94)
• Several BufferedProducer enhancements and fixes that make it more reliable (#78, #79, #91)
• Added round robin poller (#63)
• Prevent throwing exception on rdkafka callbacks (#74)
• Allow Metadata objects to be non-owning (#73)
• Allow pausing/resuming consumption on a whole topic (#67)
• Add wrapper for rd_kafka_yield (#64)
• Move tests to use Catch2 rather than googletest (#56)
• Include a top level cppkafka.h header file (#59)
• Allow disabling build of tests (#51)
• Add Consumer::poll_batch
• Add BackoffPerformer class
• Add ConsumerDispatcher class.

Thanks to everyone who contributed to this version, especially @accelerated who wrote a major part of the code in this release.