Merge pull request #1 from leeovery/develop

Laravel 6 support.

Author: leeovery

composer.json

@@ -16,14 +16,14 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.2",
         "guzzlehttp/guzzle": "^6.3",
-        "illuminate/support": "5.8.*|^6.0.0",
+        "illuminate/support": "^5.8|^6.0",
         "sendinblue/api-v3-sdk": "^6.1"
     },
     "require-dev": {
-        "orchestra/testbench": "3.8.*|^4.0.0",
-        "phpunit/phpunit": "^7.0"
+        "orchestra/testbench": "^3.8|^4.0",
+        "phpunit/phpunit": "^8.2"
     },
     "autoload": {
         "psr-4": {