Adding a field size limit to prevent DoS attacks on the parser.

Improving error messages.

Adjusting the parser to fail faster when possible.

Adding the Windows workaround suggested by Robert Battle.

Adding a :write_headers option.

More fixes to headers used in output.

Use custom separaters in header String parsing.

Header writing bug fix.

Improved inspect messages for IRb.

Encoding support from Michael Reinsch.

Updating changelog.

A fix for writing to GzipWriter objects.

Bug fix for #16042.

A minor documentation update.

Florian's quote patch plus some date and time matching expressions.