Changes with Unit 0.2 19 Oct 2017
*) Feature: Go package improvements.
*) Feature: configuration persistence.
*) Feature: improved handling of configuration errors.
*) Feature: application "timeout" property.
*) Bugfix: Go application crashed under load.
*) Bugfix: POST request for PHP were handled incorrectly.
*) Bugfix: the router exited abnormally if all listeners had been
*) Bugfix: the router crashed under load.
*) Bugfix: memory leak in the router.