Fix: Restore py25 compatibility in libraries/test_sqlite3.py.
Merge remote-tracking branch 'upstream/develop' into develop
Fix unicode in basic/test_wx. Require module Image for PIL tests.
Fix: Include additional files (doc, tests, etc.) with the tarball (setup.py sdist).
Merge pull request #78 from matysek/develop

Fix some tests for version 2.1.