Allow symfony 5

composer.json

@@ -26,23 +26,23 @@
     "prefer-stable": true,
     "require": {
         "php": "^7.1",
-        "symfony/framework-bundle": "~3.4|^4.0",
+        "symfony/framework-bundle": "~3.4|^4.0|^5.0",
         "zendframework/zenddiagnostics": "^1.5.0"
     },
     "require-dev": {
         "matthiasnoback/symfony-dependency-injection-test": "^3.0",
         "sensiolabs/security-checker": "~5.0",
         "guzzlehttp/guzzle": "^5.3.2|^6.3.3",
-        "symfony/expression-language": "~3.4|^4.0",
+        "symfony/expression-language": "^3.4 || ^4.0 || ^5.0",
         "swiftmailer/swiftmailer": "~5.4|~6.1",
         "doctrine/migrations": "~2.0",
         "doctrine/doctrine-migrations-bundle": "~2.0",
-        "symfony/twig-bundle": "^3.4|^4.0",
-        "symfony/browser-kit": "^3.4|^4.0",
-        "symfony/asset": "^3.4|^4.0",
-        "symfony/templating": "^3.4|^4.0",
+        "symfony/twig-bundle": "^3.4 || ^4.0 || ^5.0",
+        "symfony/browser-kit": "^3.4 || ^4.0 || ^5.0",
+        "symfony/asset": "^3.4 || ^4.0 || ^5.0",
+        "symfony/templating": "^3.4 || ^4.0 || ^5.0",
         "phpunit/phpunit": "^7.0",
-        "symfony/finder": "^3.4|^4.0"
+        "symfony/finder": "^3.4 || ^4.0 || ^5.0"
     },
     "suggest": {
         "sensio/distribution-bundle": "To be able to use the composer ScriptHandler",