allow Symfony 5.0

Author: mhujer

composer.json

@@ -18,12 +18,12 @@
 	],
 	"require": {
 		"php": "~7.2",
-		"symfony/config": "^4.3",
-		"symfony/dependency-injection": "^4.3",
-		"symfony/event-dispatcher": "^4.3",
-		"symfony/expression-language": "^4.3",
-		"symfony/http-foundation": "^4.3.4",
-		"symfony/http-kernel": "^4.3"
+		"symfony/config": "^4.3|^5.0",
+		"symfony/dependency-injection": "^4.3|^5.0",
+		"symfony/event-dispatcher": "^4.3|^5.0",
+		"symfony/expression-language": "^4.3|^5.0",
+		"symfony/http-foundation": "^4.3.4|^5.0",
+		"symfony/http-kernel": "^4.3|^5.0"
 	},
 	"require-dev": {
 		"consistence/coding-standard": "3.9",