laravel 8 support

Author: mbalandis

composer.json

@@ -11,9 +11,9 @@
   ],
   "require": {
     "php": "^7.1.3",
-    "illuminate/support": "^5.0|^6.0|^7.0",
-    "illuminate/console": "^5.0|^6.0|^7.0",
-    "illuminate/filesystem": "^5.0|^6.0|^7.0",
+    "illuminate/support": "^5.0|^6.0|^7.0|^8.0",
+    "illuminate/console": "^5.0|^6.0|^7.0|^8.0",
+    "illuminate/filesystem": "^5.0|^6.0|^7.0|^8.0",
     "symfony/class-loader": "^2.3|^3.0"
   },
   "require-dev": {