Backout 5692cd26a08e; Ref #262.
Added tag 6.0.2b1 for changeset 1ae2a75724bb
Update changelog. Fixes #262. Re-opens #118.
Added tag 6.0.2 for changeset 01271e84e512
Bumped to 6.0.3 in preparation for next release.
Trim excess whitespace
Remove Python 2.5 compatibility methods for zipfiles