[FIX] Fix 'ODOO.logout()' method to return False if no user is logged instead of raising an error
[FIX] Remove 'urllib2' import in 'tests/test_db.py' (making unit tests crash with Python 3)
[FIX] Fix reports downloading and database dumps for Python 3.2
[FIX] Remove the 'test_report.TestReport.test_report_download_sxw' unit test (RML sxw report type is deprecated, and the 'ir.model.overview' report used for the test was removed in last versions of Odoo)