Version 1.2.0.11

• #367 Fix deprecation warning from collections module

Version 1.1.1.19

• #367 Fix deprecation warning from collections module

Version 1.2.0.10

• #366 Check add_reference methods to prevent NoneType has no attribute append
• Changes to STIXPackage to prevent the empty <stix:TTPs/> tag from appearing in serialization

Version 1.1.1.18

• #366 Check add_reference methods to prevent NoneType has no attribute append
• Changes to STIXPackage to prevent the empty <stix:TTPs/> tag from appearing in serialization

Version 1.1.1.17

• #365 AISMarkingStructure not serializing correctly. PY3 compatibility issue

Version 1.2.0.9

• #364 TTPs would fail to serialize XML Kill_Chains if no TTP was set
• Added Python 3.8 to test harness

Version 1.1.1.16

• #364 TTPs would fail to serialize XML Kill_Chains if no TTP was set
• Added Python 3.8 to test harness

Version 1.2.0.8

• #357 Add xnl:Type to the PersonName element (CIQ)
• Update the allowable values for PersonName and OrganisationName
• Update tests per recent CybOX release

Version 1.1.1.15

• #357 Add xnl:Type to the PersonName element (CIQ)
• Update the allowable values for PersonName and OrganisationName
• Update tests per recent CybOX release

Version 1.1.1.14

#361 fix problem with lookup_extension for TestMechanism.