Ko\ProcessManager::handleSigChild PHP Method

    public function handleSigChild()
    {
        while (($pid = pcntl_waitpid(-1, $status, WNOHANG)) > 0) {
            $this->childProcessDie($pid, $status);
        }
        //INFO Fix issue https://github.com/misterion/ko-process/pull/15
        gc_collect_cycles();
    }