public static function query($queryString, array $queryParams = [], $dbName = "master", $fetchResults = true)
	{
		// Prepare query
		$query = static::instance($dbName)->prepare($queryString);
		foreach ($queryParams as $column => $val) $query->bindValue(is_int($column) ? $column + 1 : ":".$column, $val);

		// Execute
		if ($query->execute())
			return $fetchResults ?
			$query->fetchAll(PDO::FETCH_ASSOC) :
			$query->rowCount();
		
		return false;
	}