Add UTF-8 BOM support

[fanweixiao]

I don't know if is right that adding a parameter called options, so I just send a PR with utf8 BOM support, .csv file should be away from encoding problems

[matteofigus]

Line 52: fanweixiao@a3e4815#diff-1f8bcb5be7db7c497bfc0d8166c2bd70L52 should be fixing this. Can you explain a little better what are you trying to fix? What version of node and express are you using to get this problem?

[matteofigus]

DIdn't got an answer about this question, so I'm closing this. In case you want to clarify, can you open another issue? Thanks.

[fanweixiao]

Sorry for did not reply immediately. I encountered problems when opening .csv file by Mac Office Excel in chinese, I added utf8 BOM to resolve this.

[matteofigus]

It would be very helpful if you could include:

• an input
• the output for that input (with the error)
• the expected output

In that case, I would be able to create a failing test and then work on the fix.

Thanks
Matteo