all CAPS or all lower case for PIDS directories?

[hvisage]

The current directories aren't sorting nicely as some are caps, and some are lower case.

Would a all caps/lowercase pull request be accepted?

[Arachnid]

Certainly! I think caps would be preferable.

[hvisage]

see #390

[hvisage]

see #395

[hvisage]

15817c6

:)

[Arachnid]

Thank you!