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Version History:

 1.0 1999-09-09 to show off the Holidays class

 1.1 1999-09-10 add St Patrick's Day and Commonwealth Day

 1.2 1999-09-17 reorg so each holiday calculator is a separate class
                add equinox and solstice calculators.

 1.3 1999-10-24 add Robbie Burns Day

 1.4 2000-05-08 more accurate Victoria Day calculation.

 1.5 2001-01-14 configurable default year

 1.6 2001-04-07 add inauguration day

 1.7 2002-01-08 change default date to 2003
                fix bug in Victoria Day calc.

 1.8 2002-03-16 make fromYear and toYear protected to make it easier to override
                in isHoliday.java.

 1.9 2002-03-18 improve Javadoc
                improve constructor for IsHoliday class

 2.0 2004-04-24 add Earth Day

 2.1 2005-02-12 change default year to 2005

 2.2 2005-06-18 consistent bat files.

 2.3 2005-06-18 about box

 2.4 2005-07-27 added Parents' Day
                added extensive Javadoc

 2.5 2005-12-01 added Human Rights Day

 2.6 2006-03-05 reformat with IntelliJ, add Javadoc

 2.7 2006-03-05

 2.8 2006-03-05

 2.9 2006-03-05

 3.0 2006-03-05

 3.1 2007-05-22 add PAD and icon, more IntelliJ inspect tidying.

 3.2 2007-10-10 additional notes.

 3.3 2007-10-13 UK vs US Christmas, calculate when get day off.

 3.4 2007-12-19 display year to ensure have correct one.

 3.5 2008-01-25 add Australia Day

 3.6 2008-02-02 add ANZAC day, Australian Queen's Birthday

 3.7 2008-02-07 add Mardi Gras

 3.8 2008-03-20 convert to JDK 1.5, sort holidays, tidy word wraps, use of rsquo

 3.9 2008-06-21 add Aboriginal Day

 4.0 2008-10-19 add Daylight Saving Start and Daylight Saving End Day

 4.1 2008-11-01 add St. Andrews day

 4.2 2008-12-03 add World AIDS day

 4.3 2009-09-15 add Change Your Password Day

 4.4 2009-11-23 add Black Friday

 4.5 2010-03-30 add Earth Hour

 4.6 2010-10-23 add Creationism Day

 4.7 2011-02-16 add ExportHolidaysAsCSV

 4.8 2013-01-29 add Darwin Day

 4.9 2013-02-10 add BC Family Day

 5.0 2014-03-17 add No Bag day

 5.1 2014-04-16 add Sweater Day

 5.2 2014-10-05 add Orange shirt day and Sorry Day

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