Add more sophistication to the comparison between pyclbr output and real module, by filtering out aliased methods.  This, combined with the recent fixes to pyclbr, make it possible to enable more tests with fewer exceptions.
Add more sophistication to the comparison between pyclbr output and
real module, by filtering out aliased methods.  This, combined with
the recent fixes to pyclbr, make it possible to enable more tests with
fewer exceptions.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator