• Added moreInfo property to ActivityDefinition interface
• Changed display property on Verb interface to be optional
• Changed homePage and name properties on Account Interface to be required
• Changed incorrect property members to member on Group
• Divided Group Interface into AnonymousGroup and IdentifiedGroup
• Added InverseFunctionalIdentifier interface
• Changed objectType property on Activity interface to be optional
• Changed objectType property on Agent interface to be required when used as Statement object