Added support for newer php versions and symfony 5

Author: orediggerco

composer.json

@@ -23,10 +23,10 @@
     },
     "prefer-stable": true,
     "require": {
-        "php": "^5.6 || ^7.0 || ^7.1",
+        "php": "^5.6 || ^7.1 || ^7.2 || ^7.3 || ^7.4",
         "ext-json": "*",
-        "symfony/console": "~2.3|~3.0|~4.0",
-        "symfony/process": "~2.3|~3.0|~4.0"
+        "symfony/console": "~2.3|~3.0|~4.0|~5.0",
+        "symfony/process": "~2.3|~3.0|~4.0|~5.0"
     },
     "bin": [
         "bin/php-legal-licenses"