Revamped chat system using new kind of function
Removed useless/deprecated codes
Temporarily removed compatibility with PShop

Essentials:
Removed deprecated features
Removed ladder block-free easter egg

Lock:
Reintroduced PotatoLock
Protection from creeper explosion is now working correctly

Login:
Removed BM translation
Added login/register hologram above player's head (Testing)

Newbie:
Removed BM translation
Codes optimization

Town:
Crop trampling has been disabled for griefers
Migrating system messages from vanilla to yml storage system