rflynn/imgmin — pull request #23 by Tenzer (2013-01-01 18:07:17+00:00)
Title: Impose a minimum limit to amount of steps of 2

If imgmin is ran with max steps set to either 0 or 1, it will either fail with a cryptic error message (if 0), or just don't produce anything (if 1), so it makes sense to impose a lower limit of 2 steps.