Merge pull request #2 from Dgame/php-8

PHP 8

Author: Dgame

Diff for: .gitignore

@@ -1,3 +1,4 @@
 .idea
 vendor
 /.phpunit.result.cache
+composer.lock

Diff for: composer.json

@@ -18,11 +18,11 @@
         }
     ],
     "require": {
-        "php": "^7.0"
+        "php": ">=7.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5",
-        "phpstan/phpstan": "^0.11.2"
+        "phpunit/phpunit": ">=8",
+        "phpstan/phpstan": "^0.12"
     },
     "autoload": {
         "classmap": [
@@ -38,7 +38,7 @@
     "scripts": {
         "test": [
             "phpunit",
-            "phpstan analyse src --level=7"
+            "phpstan analyse src --level=8"
         ],
         "coverage": [
             "phpunit --coverage-clover=coverage"