2013-06-17 - Added support for Observables under STIX_Packages - Fixed binding issues with Time element under Incident
1.0.0a3
2013-05-122 - Added support for Travis CI continuous integration service (thanks 2xyo!) - Fixed bugs that caused issues with Python 2.6 - Added fields to STIXHeader - Added VocabString class
1.0.0a2
2013-05-08 - Compatible with STIX 1.0 (final) - Added ability to map namespaces to user-defined namespace aliases/prefixes - Various bugfixes
1.0.0a1
2013-04-22 - First (alpha) release on PyPI - Compatible with STIX 1.0 Draft 2