Implement missing cm command (#720) #667

Job	Run time
PHPUnit Composer v2 (PHP 7.4)	45s
PHPUnit (PHP 7.2)	2m 50s
Tests alternative autoloader (PHP 7.1)	12s
PHPUnit (PHP 7.3)	3m 1s
Tests alternative autoloader (PHP 7.2)	7s
PHPUnit (PHP 7.4)	2m 43s
PHPUnit coverage (PHP 7.4)	1m 22s
Tests alternative autoloader (PHP 7.3)	7s
PHPUnit (PHP 7.1)	2m 52s
Tests alternative autoloader (PHP 7.4)	6s
Tests alternative autoloader (PHP 8.0)	10s
PHPUnit lowest deps (PHP 7.3)	2m 58s
PHPUnit (PHP 8.0)	2m 59s
Tests alternative autoloader (PHP 8.1)	16s
Windows-Tests with PHP 7.1	1m 14s
PHPUnit (PHP 8.1)	2m 49s
Tests alternative autoloader (PHP 8.2)	6s
Windows-Tests with PHP 7.2	1m 29s
Windows-Tests with PHP 7.3	56s
PHPUnit (PHP 8.2)	2m 54s
Windows-Tests with PHP 7.4	58s
PHPUnit (PHP 8.3)	2m 42s
Tests alternative autoloader (PHP 8.3)	17s
Windows-Tests with PHP 8.0	1m 29s
Windows-Tests with PHP 8.1	57s
Windows-Tests with PHP 8.2	1m 10s
Windows-Tests with PHP 8.3	1m 1s
	38m 30s

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