WorkdaysBetween: Create first version
WorkdayBetween: Allow end date first
WorkdaysBetween: Use Date::Calc::Objects for dates
WorkdaysBetween: Add more detail to description
WorkdaysBetween: Use default zci is_cached

zci is_cached => 1 is now the default, so there is no reason to specify
it explicitly.
WeekdaysBetween: Don't use integer pragma

Instead of using the integer pragma for the whole file, simply cast the
$num_weeks calculation to an integer before assignment.
WorkdaysBetween: Match on "business days between"
WorkdaysBetween: Parse dates in another subroutine
WorkdaysBetween: Allow DD/MM/YYYY date format
WorkdaysBetween: Add ridiculous date format tests
WorkdaysBetween: Add comments to clarify remainder calculations
WorkdaysBetween: Allow date format MMM DD YYYY
WorkdaysBetween: Allow comma in MMM DD, YYYY format
WorkdaysBetween: Allow date format M/D/YYYY
WorkdaysBetween: Use Time::Piece objects instead of Date::Calc
WorkdaysBetween: Change output format to MMM DD, YYYY
WorkdaysBetween: Don't parse MM/DD and DD/MM in the same query

If either date requires the DD/MM/YYYY format, all XX/XX/XXXX dates in
the query will be formatted using the DD/MM/YYYY.
Merge pull request #285 from mgarriott/workdays_between_goodie

Workdays Between Goodie