Mail and disposal validation procs

[Kubius]

For discussion of thing in the title. Link to code is currently in Spyguy's reply directly below.

[Spy_Guy]

I improved on Haine and I's work a little. This proc validates all disposal and mail outlets in one go.

Video of it in action

The code itself: https://pastebin.com/uw8ZXAQ2

[Kubius]

Looks like a better test methodology, but having both tests occur simultaneously without an option to disable one or the other could be a bit annoying when trying to test the systems one at a time.