Call of Minecraft: Zombies

Bug Fixes:

Fixed issue preventing signs from being loaded in #49

Fixed error causing players to not fully leave the game #49

Fixed error with spawning trying to run after a game ends

Added config option to set when hell hound rounds occur #54

Fixed bug with clearing out the downed players causing games to not fully end #49

Updated vault dependency

Fixed issue with Vault plugin hook not working

Addressed mystery boxes moving after fire sale ends #55

Prevent player from swapping guns to offhand #52

Fixed typo

Added support for 1.16.5

Small tweak to the Help command

Barrier signs cannot be on the top or bottom of a block