Save server

[hardliner66]

Make the save server great again!

Checklist

• [ x] Tested the change ingame
• [ x] Tested in combination with possibly related configuration options
• [ x] Considered possible null pointers and out of bounds array indexing
• [ x] Changed no physics that affect existing maps

[hardliner66]

I wanna clean up history a bit, then it's ready to merge!

[hardliner66]

@JSaurusRex It's ready to merge. Please review :mag: :bug: and merge, ty.