Merge pull request #2 from kpeu3u/fix-application_fee_amount

fix application_fee_amount

Author: kpeu3u

composer.json

@@ -1,5 +1,5 @@
 {
-    "name": "omnipay/stripe",
+    "name": "kpeu3u/stripe",
     "type": "library",
     "description": "Stripe driver for the Omnipay payment processing library",
     "keywords": [
@@ -10,7 +10,7 @@
         "payment",
         "stripe"
     ],
-    "homepage": "https://github.com/thephpleague/omnipay-stripe",
+    "homepage": "https://github.com/kpeu3u/omnipay-stripe",
     "license": "MIT",
     "authors": [
         {
@@ -31,12 +31,17 @@
     "require-dev": {
         "omnipay/tests": "^3",
         "squizlabs/php_codesniffer": "^3",
-        "phpro/grumphp": "^0.14"
+        "phpro/grumphp": "^1.13"
     },
     "extra": {
         "branch-alias": {
             "dev-master": "3.2-dev"
         }
     },
-    "prefer-stable": true
+    "prefer-stable": true,
+    "config": {
+        "allow-plugins": {
+            "phpro/grumphp": true
+        }
+    }
 }