Merge pull request #56 from igor-chepurnoi/laravel-5.7-support

Laravel 5.7 support

Author: mpociot

composer.json

@@ -19,7 +19,7 @@
         "php": "^7.1",
         "composer/semver": "^1.4",
         "geerlingguy/ping": "^1.1",
-        "illuminate/support": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*",
+        "illuminate/support": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*",
         "vlucas/phpdotenv": "~2.5"
     },
     "require-dev": {