Greg Steinbrecher

Needs a quick cleanup & rebase if the feature is of interest -- @infrastation how is that determined?

> Note that without an interval timer (`setitimer()`/`alarm()`) on UN*X, and an equivalent on Windows, there's no guarantee, on a network with a low level of traffic, that there won't...

> Can you use a long option? `--max-runtime` is a substitute for `-R` in the code as is