Process::stageCompare

protected function stageCompare($code, $way)
{
	$currIndex = $this->stages[$this->stage]['ORDER'];
	$stageIndex = $this->stagesByCode[$code]['ORDER'];

	if($currIndex == $stageIndex) return true;

	if($way) // gt
		return $currIndex > $stageIndex;
	else // lt
		return $currIndex < $stageIndex;
}