* @param int|array $history One of WikiExporter::FULL, WikiExporter::CURRENT,
* WikiExporter::RANGE or WikiExporter::STABLE, or an associative array:
* - offset: non-inclusive offset at which to start the query
* @param int|array $history One of WikiExporter::FULL, WikiExporter::CURRENT,
* WikiExporter::RANGE or WikiExporter::STABLE, or an associative array:
* - offset: non-inclusive offset at which to start the query