Recent changes:
- Fixes error loading due to null CMIWorthHandler
- Fixes a NPE when converting empty timing file
- Adds support for EasyConomy and Lands
- Only hook into Ess/CMI worth if worth is enabled in the Signshop config
- Adds a new permission("Signshop.Destroy.Others") which allows a player to destroy other player's shops without having the other admin permissions
- Makes internal colors configurable
- Replaces deprecated methods in SignShopPlayer
- Adds a spawn protection check to inform server owners that the vanilla spawn protection may prohibit non ops from using shops
- Adds shulkerbox to descriptions
- Fixes potion names in descriptions
