Set minimum version to Laravel 5.5+

Add support for Laravel 5.7

Author: yajra

composer.json

@@ -19,7 +19,7 @@
     "yajra/laravel-datatables-oracle": "8.*",
     "yajra/laravel-datatables-html": "3.*",
     "maatwebsite/excel": "^3.0",
-    "illuminate/console": "5.5.*|5.6.*"
+    "illuminate/console": "^5.5"
   },
   "require-dev": {
     "mockery/mockery": "~1.0",