Changes to setpythonpath(): Test for / as well as for SEP for MS filenames. Drop trailing separator from sys.path[0] for MS and Unix filenames.
Changes to setpythonpath():
Test for / as well as for SEP for MS filenames.
Drop trailing separator from sys.path[0] for MS and Unix filenames.

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