Classes
- 
            module inspect_string A module
            - module another_module Another module
- 
                module subpackage A subpackage
                - class Foo A class in a subpackage. Shouldn't cause the module tree to have an expander for it.
 
- class DerivedException A class deriving from BaseException, which has the weird args getset_descriptor
- 
                class Foo The foo class
                - class Subclass A subclass of Foo
 
- class FooSlots A class with slots. Can't have docstrings for these.
- class Specials Special class members