Upgrade sebastian/comparator to 3.0 (#29)

Naktibalda · web-flow · commit e716c284c8e4 · 2018-05-09T16:44:02.000+01:00
diff --git a/composer.json b/composer.json
@@ -12,7 +12,7 @@
     "require": {
         "phpunit/phpunit": "^7.1",
         "phpunit/php-code-coverage": "^6.0",
-        "sebastian/comparator": "^2.0",
+        "sebastian/comparator": "^3.0",
         "sebastian/diff": "^3.0"
     },
     "autoload":{
