:meth:`.WSimpleTrackerStorage.register_drop` method implementation

def register_drop(self, task, event_details=None):
		""" :meth:`.WSimpleTrackerStorage.register_drop` method implementation
		"""
		if self.record_drop() is True:
			record_type = WTrackerEvents.drop
			record = WSimpleTrackerStorage.Record(record_type, task, event_details=event_details)
			self.__store_record(record)