- Update to version 20230507
* Add timeout for SSL connection setup, defaulting to 60
seconds.
* Consistently use poll(2) instead of select(2).
* Check EAGAIN as well as EINTR.
* Simplify includes.
- Update to version 20230409
* Add option sslnoverify to control validation of SSL
certificates.
* Add netrc processing to fetch-mode (URL on command line)
to enable options and autologin via netrc.
* Fix SSL cleanup in some error paths.
* Support SSL certificate validation by default.
FTPSSLNOVERIFY=1 in the environment to disable validation.
* Handle relative URLs.
* Improve ftp(1) markup.
* Fix -? in a more portable manner.