Added support for Laravel 5.8

Author: Kirill Lyubaev

composer.json

@@ -8,8 +8,8 @@
         "symfony/workflow": "^3.3 || ^4.0",
         "symfony/process": "^3.3 || ^4.0",
         "symfony/event-dispatcher": "^3.3 || ^4.0",
-        "illuminate/console": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.*",
-        "illuminate/support": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.*"
+        "illuminate/console": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.* || 5.8.*",
+        "illuminate/support": "5.3.* || 5.4.* || 5.5.* || 5.6.* || 5.7.* || 5.8.*"
     },
     "autoload": {
         "psr-4": {