Registers new events after instance creation

        Args:
            *names (str): Name or names of the events to register

def register_event(self, *names):
        """Registers new events after instance creation

        Args:
            *names (str): Name or names of the events to register
        """
        for name in names:
            if name in self.__events:
                continue
            self.__events[name] = Event(name)