• Controlled Vocabulary (stix.common.vocabs.VocabString) overhaul
• All default STIX CV's have a corresponding VocabString derivation in stix.common.vocabs
• Each VocabString implementation performs input validation
• Each VocabString has static TERM_FOO values for each vocabulary term
• CV fields can now accept user-defined VocabString implementations
• Accepted Ubuntu installation documentation from @mgoldsborough, thanks!
• Pluralized list fields where the naming makes sense
• Adjusted many CV fields to promote plain strings to default CV type in property setter
• Added exploit_targets, kill_chains to TTP
• Added status to Campaign
• Added motivations and identity to ThreatActor
• Added kill_chain_phases, related_indicators to Indicator
• Added FreeTextLine, ContactNumber to CIQ Identity extension
• Added discovery_methods, security_compromise, information_source, related_incidents, coa_taken to Incident
• Added profiles to STIXHeader
• Initial cut at Sphinx documentation