ssh 0.4
ssh 0.4:
- Fix for security problem with latest openssh-server
- Windows/Mac: update libssh to 0.8.6
- Use new 'askpass' package for password and passphrase prompts
- Use new ssh_session_is_known_server() api on libssh 0.8 and up
- Fix bug that would write key to known_hosts for each connection
- Add support for parsing ipv6 ip-address