Modify bindings to align with Cybox binding changes
Updated maec.Entity and maec.EntityList to more naturally derive from python-cybox
Fix unit test behaviors
Updated to_obj for compatibility with python-cybox and removed setter method usage
Fixed references to old property names
Unit test updates
Added missing return_obj and ns_info parameters to to_obj() methods in *CollectionList classes
Merge branch 'getter_setters' of github.com:MAECProject/python-maec into getter_setters
Remove incorrect test
Merge remote-tracking branch 'origin/getter_setters' into getter_setters
Updated AVClassification to be a maec.Entity subclass
Modified xml output to support custom_headers
Merge pull request #50 from ceh04/getter_setters

Added ability to include custom headers within maec output
Fixed for loop error
Merge pull request #51 from MAECProject/getter_setters

Getter setters and related updates