Added FPNode::resetLastNodeID(), which can be used when in DEBUG mode to trigger cleaner FPTree outputs (node IDs can be reset before creating a new tree).
Added FPNode::resetLastNodeID(), which can be used when in DEBUG mode to trigger cleaner FPTree outputs (node IDs can be reset before creating a new tree).

wimleers/wpoanalytics,wimleers/wpoanalytics