Walt Mankowski

**Describe the bug** I have four 2D mammography images in the same directory. When I load them I only see a single image, and there's no way to see the...

**Describe the bug** I opened CaPTk and looked in Preferences. I switched to light mode. I clicked Cancel, but it stayed in light mode. This seems to only happen when...

**Is your feature request related to a problem? Please describe.** A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] I'm trying to duplicate...

use lowercase a-f in create_str and create_hex

1

This fixes conformance to rfc4122

xor the random number seed with the pid

1

This prevents 2 processes starting at the same microsecond (e.g. after a fork) from generating the same UUID. This fixes the bug reported at https://blog.afoolishmanifesto.com/posts/log-loss-detection/