Add support for Laravel 8

Author: rdgout

composer.json

@@ -13,10 +13,10 @@
     "authors": [],
     "require": {
         "php": "^7.2.5",
-        "illuminate/console": "5.8.*|^6.0|^7.0",
-        "illuminate/database": "5.8.*|^6.0|^7.0",
-        "illuminate/support": "5.8.*|^6.0|^7.0",
-        "illuminate/routing": "5.8.*|^6.0|^7.0"
+        "illuminate/console": "^6.0|^7.0|^8.0",
+        "illuminate/database": "^6.0|^7.0|^8.0",
+        "illuminate/support": "^6.0|^7.0|^8.0",
+        "illuminate/routing": "^6.0|^7.0|^8.0"
     },
     "require-dev": {
         "phpunit/phpunit" : "^8.0",