Added missing super().__init__ call in constructor of Bundle class
Added _namespace declaration
Added _namespace to all Package classes
Added support for CybOX.Entity handling in _get_children
Added _namespace declaration for all Bundle classes
Removed _namespace property from ProcessTreeNode, since it was overrwriting its parent's property
Removed MAECNamespaceParser
Removed MAECNamespaceParser import; updated to_xml_file() to use _get_namespace_def
Added optional namespace_dict parameter to to_xml_file()
Fixed typo in to_xml_file()
Fixed typo in to_xml_file()
Updated _get_namespace_def to include MAEC Default Vocabularies schema namespace/schemalocation by default
Updated set_findings_bundle to construct a list by default
Fixed bug in _get_children not correctly checking for CybOX entities in lists
Added None type checking to get_xmlns_string and get_schemaloc_string
Removed debugging code