GitLab

We'll just isolate the platform-dependent bit.

This will produce too much replicated code.
I think I'll use a lighter abstraction in things like this.

Set up environment to move other meters.

(Yes, that's dynamic typing!)

Made the logic more modular, hopefully easier to follow,
and removed repeated code.
Plus, some optimization in RichString code.

Added new color for 'D' state.