Fix the --update-package option (jazzband#491)

* Respect the --upgrade-packages list if given.

Fix the --update-package option (jazzband#491)

* Respect the --upgrade-packages list if given.

This is 1.8.2

Official 1.8.1

1.8.1 release candidate 1

Bump to 1.8.0

Merge pull request jazzband#403 from rolando-contribute/py3-stdin-enc…

…oding

Added mode='wt' to tempfile creation.