Release date for 0.8.1 set to today

Bump version number to 0.7.2

Bump version number to 0.8

Bump version number to 0.7.1

Less stuff in the tarball

Fixed failing testcase.

Fixed versionadded for ssl_context and documented in CHANGES.

`parse_date` will no longer raise `ValueError` or return invalid values

for dates that make no sense at all (like January the 33rd).  Instead it
will return `None` now.

(bugfix release for 0.5, released on July 9th 2009)

Compressed pictures.