FTP closed on SEC EDGAR as of 2016-12-30

[Nicholas Maggiulli]

"On December 30, 2016, FTP services for retrieving EDGAR filing documents were permanently retired."

https://www.sec.gov/edgar/searchedgar/accessing-edgar-data.htm

This is unfortunate because this was a useful module.

[Edward Swiac]

Thanks for reporting! I'll put a note in the readme