The modifyEntity event is now only posted during the rendertype event if the registered JS event handler actually defines setTextureLocation or setRenderType
Fixed signalTo method in EyeOfEnderItemBuilder to not throw errors if blockPos returns null
Added signalToStructureTag & signalToStructure methods to EyeOfEnderItemBuilder making it far easier to define a structure/structure tag the eye will signal to
Added special createCustom method in entity registry event giving scripters the ability to dynamically copy/create entities via any LivingEntity class, including modded entities
Added getAnimatableEntity() to LivingEntity class to get a custom entity instance if applicable
Added ignoreExplosion() override to ModifyEntityBuilder
