Alexey Kopytko f6e1821bf2 Add GitHub workflows, test on PHP 8 (#31) ... * Add GitHub workflows, test on PHP 8 * Reflect that package is not installable under PHP <5.6 due to deps		2021-01-01 20:29:43 +09:00
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WorkbookTest.php	Add GitHub workflows, test on PHP 8 (#31)	2021-01-01 20:29:43 +09:00