Get network by providing name, ID, or other unique key.

		If key is not unique and finds multiple matches only the first
		will be returned

def Get(self,key):
		"""Get network by providing name, ID, or other unique key.

		If key is not unique and finds multiple matches only the first
		will be returned
		"""

		for network in self.networks:
			try:
				if network.id == key:  return(network)
				if network.name == key:  return(network)
				if network.cidr == key:  return(network)
			except:
				# We ignore malformed records with missing attributes
				pass