V1.7.1

Preserve file times in install

V1.7.0

Improve -S scripts

• Group addresses for faster restore
• Add raw format for export to BlockCountries, other permanent tools

Don't install rule for flush, list, remove, or save (there can't be anything for them to do)

Improve Makefile

V1.6.0

Release with signed tarballs.

• Cleanup, deal with VPS that don't expose kernel config in /boot
• Provide an estimation function that can determine CONFIG_HZ.
• Requires installation of 'bc' to overcome bash arithmetic limitations.
• Diagnose failures installing the iptables rule.
• Add -n to suppress hostname lookups for -L (speed)
• Document how to avoid self-lockout.
• Switch to auto-versioning. Separate release from version.
• Add a Makefile for install, man page, uninstall
• Bugfixes and miscellaneous improvements