VillagerUnknown's Platform

Added

• Added define method to Platform class to allow mod developers to change the "villagerunknown-" prefix.
• Added register method to Platform class to allow mod developers to insert a PlatformMod object directly into the registered mods list.
• Added registered method to Platform class to allow mod developers to check if a mod is registered.
• Added registration method to Platform class to allow mod developers to retrieve a mod's PlatformMod object.
• Added reportConversionToLog method to EntityUtil class.
• Added reportConversionToChat method to EntityUtil class.
• Added registerEntity method to RegistryUtil class.
• Added getItemGroup method to RegistryUtil class.
• Added registerItemGroup method to RegistryUtil class.
• Added addItemToGroup method to RegistryUtil class.
• Added capitalizeAll method to RegistryUtil class.
• Added LocatorUtil class to provide methods for locating structures and biomes.

Fixed

• Set pretty printing in Gson to correct formatting of files created by list.StringsList class.
• Resolved an issue causing an incompatibility with Custom Villager Names and Healthy Habits.