public function renameSection( $oldSection, $newSection )
	{
		if( !$this->usesSections() )
			throw new RuntimeException( 'Sections are disabled' );
		$content	= FS_File_Reader::load( $this->fileName );
		$content	= preg_replace( "/(.*)(\[".$oldSection."\])(.*)/si", "$1[".$newSection."]$3", $content );
		$result		= FS_File_Writer::save( $this->fileName, $content );
		$this->added	= array();
		$this->deleted	= array();
		$this->renamed	= array();
		$this->read();
		return is_int( $result );
	}