Merge pull request #17 from mnapoli/patch-1

Add support for PHP 8

Author: rdohms

composer.json

@@ -4,7 +4,7 @@
     "type": "library",
     "require": {
         "phpunit/phpunit": "^9.0",
-        "php": "^7.3"
+        "php": "^7.3|^8.0"
     },
     "license": "MIT",
     "authors": [