PHP 8.1 compatibility:
the PHP function strftime() is marked as deprecated in PHP 8.1 (causes an E_DEPRECATED
Message that prevents the PDF generation) and will be removed in 9.0.
All date/time formatting now uses the IntlDateFormatter class.
New format FLAG_ELIPSIS: text will be clipped, an an ellipsis is appended (to truncate content
to cell width)
2020-11-23 Version 1.1.0
Moved XPDFFont into a separate file to correspond to PSR-0 / PSR-4 (one file per class)
Set namespace to fit PSR-4 recommendations for autoloading.
Added missing PHP 7.4 type hints / docBlock changes
Support of image columns
Added separate font for subject in page header (2'nd line)
customizeable Height of the header logo
2020-04-21 Version 1.0.2
Integrated extension to set bookmarks from O.Plathey
Added new functions to set internal links within the datagrid
2020-03-24 Version 1.0.1
added functions for total, subtotals and carryover
added formating for currency, number and datetime
fixed some problems with euro-sign and german umlauts