code: public static String type(Class<? extends ParaObject> clazz) {
  		return (clazz == null) ? "" : clazz.getSimpleName().toLowerCase();
  	}
docs: Returns the simple name of a class in lowercase (AKA the type).
  
  @param clazz a core class
  @return just the name in lowercase or an empty string if clazz is null