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Released on 2016-10-10
* Multi-threaded TCP collectors
* Flush to backend is done in consistent threads started with the server
* Server supports reloading on SIGHUP (re-read the config file, restart collectors
and reconnect to backends).
* Improve handling of incomplete request lines over TCP
* Fix issue with setting SIGHUP handler when not available
* Fix config parser depreciation warnings
* Fix unittest depreciation warnings
* Fix ResourceWarning thrown by Python 3 for sockets not closed explicitly
* Update required distutilazy version to 0.4.2