Add support for Ubuntu 22.04 and up in change_ssh_port; bump to 2.2.7

Use sshaudit recommendations in harden_ssh script; bump to 2.2.6

Bump to 2.2.5

Improve harden_ssh script

Actually bump to 2.2.4

Bump dep versions; bump to 2.2.4

Prefer apt-get over aptitude; ensure install/core is noninteractive

Add install/haproxy bundled script; bump to 2.2.3

Optimize expose command; bump to 2.2.2

Add support for OVERCAST_SSH_KEY/USER vars [fixes #60]; bump to 2.2.1

Clarify features at top of README

Upgrade minimist; add support for nested search in 'instance get'; bump to 2.2.0

Add --only-once argument to run command; bump to 2.1.0

Fix sshkey command bug; bump to 2.0.10

Add --vpc-uuid arg, bump to 2.0.9