v2: Updates

* Simplifies & beautifies everything
* Introduces a new Class system.
* Errors are defaulted to AWS's handler.
* New function names & more efficient handling.
* Should fix a majority of the errors.

Please read the README for more!

aws/Aws/EndpointDiscovery/Configuration.php

@@ -0,0 +1,48 @@
+<?php
+namespace Aws\EndpointDiscovery;
+
+class Configuration implements ConfigurationInterface
+{
+    private $cacheLimit;
+    private $enabled;
+
+    public function __construct($enabled, $cacheLimit = 1000)
+    {
+        $this->cacheLimit = filter_var($cacheLimit, FILTER_VALIDATE_INT);
+        if ($this->cacheLimit == false || $this->cacheLimit < 1) {
+            throw new \InvalidArgumentException(
+                "'cache_limit' value must be a positive integer."
+            );
+        }
+
+        // Unparsable $enabled flag errs on the side of disabling endpoint discovery
+        $this->enabled = filter_var($enabled, FILTER_VALIDATE_BOOLEAN);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isEnabled()
+    {
+        return $this->enabled;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCacheLimit()
+    {
+        return $this->cacheLimit;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function toArray()
+    {
+        return [
+            'enabled' => $this->isEnabled(),
+            'cache_limit' => $this->getCacheLimit()
+        ];
+    }
+}