Added 'make_tarball()' and 'make_zipfile()' functions in preparation for the 'bdist_dumb' command.  Adapted, with tweakage, from the 'sdist' command.
Added 'make_tarball()' and 'make_zipfile()' functions in preparation
for the 'bdist_dumb' command.  Adapted, with tweakage, from the 'sdist'
command.

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