resource.create() hook

		For PCDM Collections, post creation, also create

def _post_create(self, auto_refresh=False):

		'''
		resource.create() hook

		For PCDM Collections, post creation, also create
		'''

		# set PCDM triple as Collection
		self.add_triple(self.rdf.prefixes.rdf.type, self.rdf.prefixes.pcdm.Collection)
		self.update(auto_refresh=auto_refresh)

		# create /members child resource
		members_child = PCDMMembersContainer(
			self.repo,
			'%s/members' % self.uri_as_string(),
			membershipResource=self.uri,
			hasMemberRelation=self.rdf.prefixes.pcdm.hasMember,
			insertedContentRelation=self.rdf.prefixes.ore.proxyFor)
		members_child.create(specify_uri=True)

		# create /related child resource
		related_child = PCDMRelatedContainer(
			self.repo,
			'%s/related' % self.uri_as_string(),
			membershipResource=self.uri,
			hasMemberRelation=self.rdf.prefixes.ore.aggregates,
			insertedContentRelation=self.rdf.prefixes.ore.proxyFor)
		related_child.create(specify_uri=True)