Known changes:
- Fix crash when forwarded TCP connections fail to connect
(bug introduced in 2015.68)
- Avoid hang on session close when multiple sessions are started,
affects Qt Creator
- Reduce per-channel memory consumption in common case, increase default
channel limit from 100 to 1000 which should improve SOCKS forwarding
for modern webpages
- Handle multiple command line arguments in a single flag
- Manpage improvements
- Build fixes for Android
- Don't display the MOTD when an explicit command is run
- Check curve25519 shared secret isn't zero
da29db5d41