Commodore 64 Raspberry Pi Conversion Remix

I'm working on modding mattsoft's awesome Commodore64 kit to better fit the breadbins I've got laying around. I'll eventually try to figure out what variants I'm working with, but I think I've got older ones than mattsoft was designing for.

This is still a work in progress, I've had to tweak a few things for different breadbin variants, and I plan to better label the versioned parts as I work through them.

Currently, there are two variants of the left port panel, I have some breadbins tha