Change the namespace of the promise

Author: Nyholm

spec/CachePluginSpec.php

@@ -2,7 +2,7 @@
 
 namespace spec\Http\Client\Plugin;
 
-use Http\Client\Utils\Promise\FulfilledPromise;
+use Http\Client\Tools\Promise\FulfilledPromise;
 use PhpSpec\ObjectBehavior;
 use Psr\Cache\CacheItemInterface;
 use Psr\Cache\CacheItemPoolInterface;

src/CachePlugin.php

@@ -2,7 +2,7 @@
 
 namespace Http\Client\Plugin;
 
-use Http\Client\Utils\Promise\FulfilledPromise;
+use Http\Client\Tools\Promise\FulfilledPromise;
 use Psr\Cache\CacheItemPoolInterface;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;