Print functions by category and by return type.
Print functions by category and by return type.

michaelclelland/documentation-generator,stweil/documentation-generator,stweil/documentation-generator,nickanderson/documentation-generator,stweil/documentation-generator,nickanderson/documentation-generator,nickanderson/documentation-generator,nickanderson/documentation-generator,michaelclelland/documentation-generator,cfengine/documentation-generator,michaelclelland/documentation-generator,cfengine/documentation-generator,cfengine/documentation-generator,nickanderson/documentation-generator,michaelclelland/documentation-generator,cfengine/documentation-generator,stweil/documentation-generator,michaelclelland/documentation-generator,cfengine/documentation-generator,stweil/documentation-generator