draft support for Laravel 5.7.x and PHPUnit 7.x

Author: austinheap

composer.json

@@ -48,14 +48,14 @@
     },
     "require": {
         "php": ">=7.1.0",
-        "laravel/framework": "5.5.*|5.6.*",
+        "laravel/framework": "5.5.*|5.6.*|5.7.*",
         "paragonie/random_compat": "^1.1|^2.0"
     },
     "require-dev": {
         "codeclimate/php-test-reporter": "dev-master",
-        "phpunit/phpunit": "~6.0",
+        "phpunit/phpunit": "~6.0|~7.0",
         "orchestra/testbench": "^3.5",
-        "barryvdh/laravel-ide-helper": "^2.4"
+        "barryvdh/laravel-ide-helper": "^2.5"
     },
     "autoload": {
         "psr-4": {