Reorganize the Predis\Protocols namespace.

lib/Predis/Protocols/Text/ResponseIntegerHandler.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Predis\Protocols\Text;
+
+use Predis\Helpers;
+use Predis\Protocols\IResponseHandler;
+use Predis\Network\IConnectionComposable;
+
+class ResponseIntegerHandler implements IResponseHandler {
+    public function handle(IConnectionComposable $connection, $number) {
+        if (is_numeric($number)) {
+            return (int) $number;
+        }
+        if ($number !== 'nil') {
+            Helpers::onCommunicationException(new ProtocolException(
+                $connection, "Cannot parse '$number' as numeric response"
+            ));
+        }
+        return null;
+    }
+}