fix tests for day of week add tests to double check that sunday is 7 and monday is 1
fix tests for day of week
add tests to double check that sunday is 7 and monday is 1

1nickt/DateTime.pm,chansen/DateTime.pm,autarch/DateTime.pm,1nickt/DateTime.pm,chansen/DateTime.pm,chansen/DateTime.pm,1nickt/DateTime.pm,autarch/DateTime.pm