- Use new Libreswan version 4.2
- Support updating to Libreswan 4.2 from older versions. The upgrade
scripts can now install one of these versions: 3.32, 4.1 or 4.2.
- Other small improvements
- Update tests
- Check for latest supported Libreswan version, and remind users who use
a non-latest version of the VPN scripts that they can upgrade
- Other minor improvements