Added cryo suite to dorms.
Revert "Bygex - Regex implementation for byond."

This reverts commit a9bea16ac873c2b149294adf7dd49568ac5c5669.
Merge pull request #4054 from Zuhayr/feature

Adds cryo, reverts Bygex due to lack of .so
Fixes the nuke suit spawn proc.
Merge pull request #4056 from Zuhayr/feature

Fixes the nuke suit spawn proc.
Merge pull request #4060 from DJSnapshot/dev-freeze

Improvements to how floors become dirty
Merge branch 'dev' of https://github.com/Baystation12/Baystation12 into dev-freeze
Fixes for the Skrellian hardsuit helmet on-mob sprites.
Merge pull request #4068 from Zuhayr/feature

Skrellian hardsuit helmet resprites.
Fix so magazines read correctly on the Colt M1911.

Also notice for when the clip falls out.
Fix for guns eating empty magazines.