Account for inaccurate offsets in getXrefData() #610

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	35s
PHPUnit coverage (PHP 7.4)	1m 9s
PHPUnit (PHP 7.1)	37s
Tests alternative autoloader (PHP 7.1)	11s
PHPUnit (PHP 7.2)	29s
Tests alternative autoloader (PHP 7.2)	11s
PHPUnit (PHP 7.3)	39s
Tests alternative autoloader (PHP 7.3)	11s
PHPUnit (PHP 7.4)	28s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 8.0)	33s
Tests alternative autoloader (PHP 8.0)	7s
PHPUnit (PHP 8.1)	33s
Tests alternative autoloader (PHP 8.1)	9s
PHPUnit (PHP 8.2)	42s
Tests alternative autoloader (PHP 8.2)	9s
PHPUnit (PHP 8.3)	25s
Tests alternative autoloader (PHP 8.3)	7s
Windows-Tests with PHP 7.1	1m 12s
PHPUnit lowest deps (PHP 7.3)	34s
Windows-Tests with PHP 7.2	49s
Windows-Tests with PHP 7.3	55s
Windows-Tests with PHP 7.4	54s
Windows-Tests with PHP 8.0	45s
Windows-Tests with PHP 8.1	46s
Windows-Tests with PHP 8.2	55s
Windows-Tests with PHP 8.3	49s
	15m 1s

Provide feedback