Add information message levels
Turn line breaks into information, not error
Update tests to show info on LF line ending, but error on CR or other
Change unknown line break message back to error
Delegate all missing methods from WrappedIO to @io

So it looks like a proper IO object
rationalise line ending tests
remove unused step
remove default line ending
Add CSV line ending test files
Autodetect csv line endings
Give info message for non-CRLF line endings
default CSV line end is auto
remove trailing newlines in test CSVs
separate out quoting error types
don't need to replace line endings any more in step
Merge pull request #43 from theodi/info-messages-for-line-breaks

Info messages for line breaks