Custom delimiter issue while writing the output.csv file

[yuganshmarwah]

I saw the error for using custom delimiter in csvlink "RecordLink" command line the error is due function writeLinkedResults() line 141, 145 of csvhelpers.py where while reading the file delimiter is not provided. Function being called from csvlink.py line 173,177,180 should also pass extra argument self.delimiter to avoid issue.