- No more presuming 'WWW::' is at the beginning
(default is now "WWW::SwaggerClient" vs "SwaggerClient" in order
to accomodate)
- Test that module names Like::This write to the filesystem and in
the mustache templates properly
- remove the optional auth_setup_handler() callback mechanism
- add _global_auth_setup() method on ApiClient to analyse config when
security spec not provided
- add methods on the Configuration class to abstract getting and setting
tokens
