CrazyCore: added some helper methods/constructors to some NumberParamitrisables
CrazyCore: added ItemStackParamitrisables
CrazySpawner: fixed Drop getChance return type
CrazySpawner: added CommandSender param to EntityProperty getCommandParams
CrazySpawner: implemented EquipmentProperties command part
CrazyLogin: protected ChangedAlgorithmEncryptor against invalid configs.
CrazySpawner: implement dummy method instead of returning null