Support Laravel 5.8

Author: dmitry-ivanov

.gitignore

@@ -1 +1,3 @@
-vendor
+/vendor
+.phpunit.result.cache
+composer.lock

composer.json

@@ -3,26 +3,24 @@
     "description": "Laravel-specific and pure PHP helper functions.",
     "keywords": ["laravel", "helpers", "functions", "collection"],
     "license": "MIT",
-    "authors": [
-        {
-            "name": "Dmitry Ivanov",
-            "email": "dmitry.g.ivanov@gmail.com"
-        }
-    ],
+    "authors": [{
+        "name": "Dmitry Ivanov",
+        "email": "dmitry.g.ivanov@gmail.com"
+    }],
     "require": {
         "php": "^7.1.3",
-        "illuminate/support": "5.7.*",
-        "nesbot/carbon": "^1.26",
-        "symfony/filesystem": "^4.1",
-        "symfony/finder": "^4.1",
-        "symfony/process": "^4.1",
-        "symfony/var-dumper": "^4.1",
+        "illuminate/support": "5.8.*",
+        "nesbot/carbon": "^1.26.3 || ^2.0",
+        "symfony/filesystem": "^4.2",
+        "symfony/finder": "^4.2",
+        "symfony/process": "^4.2",
+        "symfony/var-dumper": "^4.2",
         "spatie/array-to-xml": "^2.7"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0",
+        "phpunit/phpunit": "^7.5|^8.0",
         "mockery/mockery": "^1.0",
-        "illuminated/testing-tools": "5.7.*"
+        "illuminated/testing-tools": "5.8.*"
     },
     "autoload": {
         "files": ["src/autoload.php"],