Laravel 7 support (#35)

Author: half2me

composer.json

@@ -15,12 +15,12 @@
   ],
   "require": {
     "php": ">=7.1",
-    "illuminate/console": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0",
-    "illuminate/contracts": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0",
-    "illuminate/support": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0"
+    "illuminate/console": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0 || ^7.0",
+    "illuminate/contracts": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0 || ^7.0",
+    "illuminate/support": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0 || ^7.0"
   },
   "require-dev": {
-    "laravel/lumen-framework": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0",
+    "laravel/lumen-framework": "5.5.* || 5.6.* || 5.7.* || 5.8.* || ^6.0 || ^7.0",
     "localheinz/composer-normalize": "^1.3"
   },
   "config": {