Fixed some issues as pointed out by Scrutinizer.

Author: Swader

README.md

@@ -1,3 +1,5 @@
+![Travis Build Badge](https://travis-ci.org/Swader/diffbot-php-client.svg?branch=master)
+
 # Diffbot PHP API Wrapper
 
 This package is a slightly overengineered Diffbot API wrapper. It uses Guzzle to make API calls. To learn more about Diffbot see [here](http://www.sitepoint.com/tag/diffbot/) and [their homepage](http://diffbot.com).

src/Entity/EntityIterator.php

@@ -2,7 +2,7 @@
 
 namespace Swader\Diffbot\Entity;
 
-use GuzzleHttp\Message\Response;
+use GuzzleHttp\Message\ResponseInterface as Response;
 use Swader\Diffbot\Abstracts\Entity;
 
 class EntityIterator implements \Countable, \Iterator

src/Factory/Entity.php

@@ -2,7 +2,7 @@
 
 namespace Swader\Diffbot\Factory;
 
-use GuzzleHttp\Message\Response;
+use GuzzleHttp\Message\ResponseInterface as Response;
 use Swader\Diffbot\Entity\EntityIterator;
 use Swader\Diffbot\Exceptions\DiffbotException;
 use Swader\Diffbot\Interfaces\EntityFactory;

src/Interfaces/EntityFactory.php

@@ -2,16 +2,16 @@
 
 namespace Swader\Diffbot\Interfaces;
 
-use GuzzleHttp\Message\Response;
-use Swader\Diffbot\Abstracts\Entity;
+use GuzzleHttp\Message\ResponseInterface as Response;
+use Swader\Diffbot\Entity\EntityIterator;
 
 interface EntityFactory
 {
     /**
      * Returns the entity iterator containing the appropriate entities as built by the contents of $response
      *
      * @param Response $response
-     * @return Entity
+     * @return EntityIterator
      */
     public function createAppropriateIterator(Response $response);
 }

src/Traits/StandardApi.php

@@ -9,7 +9,6 @@
  */
 trait StandardApi {
 
-
     /**
      * Makes the API call return the links field, common to all standard API types
      * @param $bool