public static function string( $str, $row = null, $col = null ) {
		if( $col !== null || $row !== null ) {
			Cursor::rowcol($row, $col);
		}
		fwrite(self::$stream, $str);
	}
public static function string( $str, $row = null, $col = null ) {
		if( $col !== null || $row !== null ) {
			Cursor::rowcol($row, $col);
		}
		fwrite(self::$stream, $str);
	}
public static function string ( $ str , $ row = null , $ col = null ) { if ( $ col !== null || $ row !== null ) { Cursor :: rowcol ( $ row , $ col ) ; } fwrite ( self :: $ stream , $ str ) ; }
Output a string

@param  string    $str String to output
@param  false|int $row The optional row to output to
@param  false|int $col The optional column to output to
Output a string