Implement missing cm command #665

Job	Run time
PHPUnit coverage (PHP 7.4)	1m 1s
Tests alternative autoloader (PHP 7.1)	10s
PHPUnit (PHP 7.2)	2m 51s
Tests alternative autoloader (PHP 7.2)	7s
PHPUnit Composer v2 (PHP 7.4)	2m 42s
PHPUnit (PHP 7.3)	2m 41s
Tests alternative autoloader (PHP 7.3)	11s
PHPUnit (PHP 7.4)	36s
PHPUnit (PHP 7.1)	2m 52s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 8.0)	2m 44s
PHPUnit (PHP 8.1)	2m 43s
Tests alternative autoloader (PHP 8.0)	7s
PHPUnit lowest deps (PHP 7.3)	2m 41s
Tests alternative autoloader (PHP 8.1)	16s
PHPUnit (PHP 8.2)	2m 48s
PHPUnit (PHP 8.3)	2m 40s
Tests alternative autoloader (PHP 8.2)	6s
Windows-Tests with PHP 7.1	1m 6s
Tests alternative autoloader (PHP 8.3)	10s
Windows-Tests with PHP 7.2	56s
Windows-Tests with PHP 7.3	50s
Windows-Tests with PHP 7.4	51s
Windows-Tests with PHP 8.0	59s
Windows-Tests with PHP 8.1	52s
Windows-Tests with PHP 8.2	59s
Windows-Tests with PHP 8.3	52s
	34m 58s

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