Fixed URL in `setup.py`.

git-svn-id: http://trac-hacks.org/svn/sumstatsplugin@13546 7322e99d-02ea-0310-aa39-e9a107903beb
Fixed misplaced positional argument in call to `ListOption`. Fixes #11478.

git-svn-id: http://trac-hacks.org/svn/sumstatsplugin@13547 7322e99d-02ea-0310-aa39-e9a107903beb
Removed debug print statment. Refs #11478.

git-svn-id: http://trac-hacks.org/svn/sumstatsplugin@13548 7322e99d-02ea-0310-aa39-e9a107903beb