Major Update to PDFObject.php + Ancillary #541

Job	Run time
PHPUnit (PHP 7.2)	39s
PHPUnit (PHP 7.3)	45s
PHPUnit (PHP 7.4)	35s
PHPUnit (PHP 8.0)	37s
PHPUnit (PHP 8.1)	36s
PHPUnit (PHP 8.2)	58s
PHPUnit (PHP 8.3)	47s
Tests alternative autoloader (PHP 7.1)	13s
Tests alternative autoloader (PHP 7.2)	10s
Tests alternative autoloader (PHP 7.3)	10s
Tests alternative autoloader (PHP 7.4)	12s
Tests alternative autoloader (PHP 8.0)	12s
Tests alternative autoloader (PHP 8.1)	14s
Tests alternative autoloader (PHP 8.2)	19s
Tests alternative autoloader (PHP 8.3)	23s
PHPUnit Composer v2 (PHP 7.4)	50s
PHPUnit coverage (PHP 7.4)	1m 21s
PHPUnit (PHP 7.1)	50s
PHPUnit lowest deps (PHP 7.3)	44s
Windows-Tests with PHP 7.1	1m 51s
Windows-Tests with PHP 7.2	1m 19s
Windows-Tests with PHP 7.3	1m 18s
Windows-Tests with PHP 7.4	1m 4s
Windows-Tests with PHP 8.0	1m 20s
Windows-Tests with PHP 8.1	1m 15s
Windows-Tests with PHP 8.2	1m 13s
Windows-Tests with PHP 8.3	1m 10s
	21m 5s

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