oauth2 token caching using APCu

.gitignore

@@ -1 +1,7 @@
 test.php
+composer.phar
+/vendor/
+
+# Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
+# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
+# composer.lock

README.md

@@ -9,6 +9,13 @@ OnenceWS Http client for official 1nce rest api https://api.1nce.com
 composer require pipinstallpip/onencews:dev-master
 ```
 
+Make sure that you have the PHP Module for `APCu` enabled and loaded. This is used to store the oauth2-token for subsequent requests, so we do not exhaust the ratelimit of the Endpoint. 
+You can check this by running:
+```sh
+php -m | grep apcu
+```
+in your terminal.
+
 ## Usage
 
 ```php

composer.json

@@ -1,23 +1,27 @@
 {
-  "name": "pipinstallpip/onencews",
-  "type": "library",
-  "description": "Http client for official 1nce rest api https://api.1nce.com",
-  "keywords": ["1nce","once","onence","client","http"],
-  "license": "MIT",
-  "homepage": "https://github.com/pipinstallpip/1nce",
-  "authors": [
-    {
-      "name": "pipinstallpip",
-      "role": "Developer"
-    }
-  ],
-  "require": {
-    "guzzlehttp/guzzle": "~6.0"
-  },
-  "autoload": {
-    "psr-4": {
-      "pipinstallpip\\onencews\\": "src/"
-    }
-  },
-  "minimum-stability": "dev"
+    "name": "esyoil-gmbh/onencews",
+    "type": "library",
+    "description": "Http client for official 1nce rest api https://api.1nce.com",
+    "keywords": [
+        "1nce",
+        "once",
+        "onence",
+        "client",
+        "http"
+    ],
+    "license": "MIT",
+    "homepage": "https://github.com/esyoil-gmbh/1nce",
+    "authors": [{
+        "name": "esyoil-gmbh",
+        "role": "Developer"
+    }],
+    "require": {
+        "guzzlehttp/guzzle": "~6.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "pipinstallpip\\onencews\\": "src/"
+        }
+    },
+    "minimum-stability": "dev"
 }