Fixed typo in key in object_from_dict method
Fixed typo in returned object in object_from_dict method
Win event object initial commit
Modified baseobjectattribute to support a non-dict (singular value) input for object_from_dict
Added unicode entry to test_value in utils
Merge branch 'master' of github.com:CybOXProject/python-cybox
Merge branch 'master' of github.com:CybOXProject/python-cybox
Added None value checks to from_dict/from_obj methods in several modules