Merge pull request #11 from bendavies/upgrade-phpstan-and-safe

upgrade phpstan to 0.12 and thecodingmachine/safe

composer.json

@@ -29,14 +29,14 @@
     "php-http/discovery": "^1.0",
     "guzzlehttp/psr7": "^1.4.2",
     "php-http/message": "^1.0",
-    "thecodingmachine/safe": "^0.1.8"
+    "thecodingmachine/safe": "^1.0"
   },
   "require-dev" : {
     "phpunit/phpunit": "^7",
     "squizlabs/php_codesniffer": "^3.2",
-    "phpstan/phpstan": "^0.10.5",
-    "thecodingmachine/phpstan-safe-rule": "^0.1.0",
-    "thecodingmachine/phpstan-strict-rules": "^0.10.7",
+    "phpstan/phpstan": "^0.12.7",
+    "thecodingmachine/phpstan-safe-rule": "^1.0",
+    "thecodingmachine/phpstan-strict-rules": "^0.12.0",
     "php-http/mock-client": "^1.0",
     "php-http/guzzle6-adapter": "^1.1",
     "doctrine/coding-standard": "^6.0"
@@ -54,7 +54,7 @@
   "scripts": {
     "csfix": "phpcbf",
     "cscheck": "phpcs",
-    "phpstan": "phpstan analyse src -c phpstan.neon --level=7 --no-progress -vvv",
+    "phpstan": "phpstan analyse src -c phpstan.neon --level=8 --no-progress -vvv",
     "phpunit": "phpunit --configuration phpunit.xml.dist"
   },
   "extra": {