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/HashingStream.php

@@ -52,9 +52,9 @@ class HashingStream implements StreamInterface
         if ($offset === 0) {
             $this->hash->reset();
             return $this->stream->seek($offset);
-        } else {
-            // Seeking arbitrarily is not supported.
-            return false;
         }
+
+        // Seeking arbitrarily is not supported.
+        return false;
     }
 }