Check if class has all of the specified capabilities

		:param cap_names: capabilities names to check

		:return: bool

def has_capabilities(self, *cap_names):
		""" Check if class has all of the specified capabilities

		:param cap_names: capabilities names to check

		:return: bool
		"""
		for name in cap_names:
			if name not in self.__class_capabilities__:
				return False
		return True