# set to 0 to disable attempted caching
$use_caching = 1 unless defined $use_caching;
$months_per_row = 3 unless defined $months_per_row;
# set to 0 to disable attempted caching
$use_caching = 1 unless defined $use_caching;
$months_per_row = 3 unless defined $months_per_row;