OurCal::Month - a representation of an OurCal::Month

    my $month = OurCal::Month->new( date => '2007-11');

Returns the previous month as an object

Returns the next month as an object.

Returns this month as a string

Calls is_this_month

Returns whether this month object is also the current month in the real world

Returns an array of all the days in this month as objects.

Returns the number of weeks in this month.