ancestors()
Instance Public methods
Ancestors list for this ClassModule: the list of included modules (classes
will add their superclass if any).
Returns the included classes or modules, not the includes themselves. The
returned values are either String or RDoc::NormalModule instances (see RDoc::Include#module).
The values are returned in reverse order of their inclusion, which is the
order suitable for searching methods/attributes in the ancestors. The
superclass, if any, comes la