Improved cache reading

CloudObjects/SDK/ObjectRetriever.php

@@ -145,8 +145,8 @@ class ObjectRetriever implements CustomCacheAndLogInterface {
 		if (!$cachedData) {
 			return null;
 		}
-		
-		return $cachedData->getOriginalResponse()->getBody()->getContents();
+
+		return (string)$cachedData->getResponse()->getBody(true);
 	}
 
 	private function putIntoCache($id, $data, $ttl) {