Implement missing cm command #666

Job	Run time
PHPUnit (PHP 7.2)	33s
PHPUnit (PHP 7.3)	36s
PHPUnit Composer v2 (PHP 7.4)	29s
Tests alternative autoloader (PHP 7.1)	10s
PHPUnit (PHP 7.4)	29s
Tests alternative autoloader (PHP 7.2)	9s
PHPUnit (PHP 8.0)	29s
PHPUnit coverage (PHP 7.4)	1m 0s
Tests alternative autoloader (PHP 7.3)	8s
PHPUnit (PHP 8.1)	36s
Tests alternative autoloader (PHP 7.4)	7s
PHPUnit (PHP 8.2)	29s
PHPUnit (PHP 7.1)	36s
Tests alternative autoloader (PHP 8.0)	10s
PHPUnit (PHP 8.3)	35s
Tests alternative autoloader (PHP 8.1)	10s
Tests alternative autoloader (PHP 8.2)	9s
PHPUnit lowest deps (PHP 7.3)	34s
Tests alternative autoloader (PHP 8.3)	9s
Windows-Tests with PHP 7.1	1m 12s
Windows-Tests with PHP 7.2	53s
Windows-Tests with PHP 7.3	54s
Windows-Tests with PHP 7.4	49s
Windows-Tests with PHP 8.0	51s
Windows-Tests with PHP 8.1	53s
Windows-Tests with PHP 8.2	54s
Windows-Tests with PHP 8.3	51s
	14m 55s

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