public function fetch( $query, $params = array(), $arguments = array( 'obj' ) )
	{
		$sth = $this->statement( $query, $params );
		
		$args = null;
		
		foreach( $arguments as $argument )
		{
			$args |= constant( "\PDO::FETCH_".strtoupper( $argument ) );
		}
				
		return $sth->fetchAll( $args );
	}