:meth:`.WCommandProto.match` implementation

def match(self, *command_tokens, **command_env):
		""" :meth:`.WCommandProto.match` implementation
		"""
		mutated_command_tokens = self.mutate_command_tokens(*command_tokens)
		if mutated_command_tokens is None:
			return False
		return self.selector().select(*mutated_command_tokens, **command_env) is not None