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/ResponseContainerInterface.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Aws;
+
+use Psr\Http\Message\ResponseInterface;
+
+interface ResponseContainerInterface
+{
+    /**
+     * Get the received HTTP response if any.
+     *
+     * @return ResponseInterface|null
+     */
+    public function getResponse();
+}