Support ProMotion stub generation.
Update test to pass for ProMotion integration.
Add failing test to check for complex superclases.
Implement new superclass regex to allow for two name regexes separated by a ::
Fix broken specs.
Update stubs to look for PM:: and Promotion:: now that the library properly recognizes superclasses of type Module::Class
Merge pull request #45 from markrickert/support-promotion-stubs

Support ProMotion stub generation.
v0.4.2