Added tag 6.0.1 for changeset bc6655b4acf2
Bumped to 6.0.2 in preparation for next release.
Try ignoring release.py
Also ignore lib2to3_ex.py
Move doctest directive and ignores to setup.cfg
Backout 5692cd26a08e; Ref #262.
Added tag 6.0.2b1 for changeset 1ae2a75724bb
Update changelog. Fixes #262. Re-opens #118.