Update Readme

Author: Konafets

README.md

@@ -1,23 +1,23 @@
 # Guzzle Commands
 
 [![License](https://poser.pugx.org/guzzlehttp/command/license)](https://packagist.org/packages/guzzlehttp/command)
-[![Build Status](https://travis-ci.org/guzzle/command.svg?branch=master)](https://travis-ci.org/guzzle/command) 
-[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/guzzle/command/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/guzzle/command/?branch=master) 
-[![Code Coverage](https://scrutinizer-ci.com/g/guzzle/command/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/guzzle/command/?branch=master) 
+[![Build Status](https://travis-ci.org/guzzle/command.svg?branch=master)](https://travis-ci.org/guzzle/command)
+[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/guzzle/command/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/guzzle/command/?branch=master)
+[![Code Coverage](https://scrutinizer-ci.com/g/guzzle/command/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/guzzle/command/?branch=master)
 [![SensioLabsInsight](https://insight.sensiolabs.com/projects/7a93338e-50cd-42f7-9299-17c44d92148f/mini.png)](https://insight.sensiolabs.com/projects/7a93338e-50cd-42f7-9299-17c44d92148f)
 [![Latest Stable Version](https://poser.pugx.org/guzzlehttp/command/v/stable)](https://packagist.org/packages/guzzlehttp/command)
 [![Latest Unstable Version](https://poser.pugx.org/guzzlehttp/command/v/unstable)](https://packagist.org/packages/guzzlehttp/command)
 [![Total Downloads](https://poser.pugx.org/guzzlehttp/command/downloads)](https://packagist.org/packages/guzzlehttp/command)
 
-This library uses Guzzle (``guzzlehttp/guzzle``, version 6.x) and provides the
+This library uses Guzzle (``guzzlehttp/guzzle``, version 7.x) and provides the
 foundations to create fully-featured web service clients by abstracting Guzzle
 HTTP **requests** and **responses** into higher-level **commands** and
 **results**. A **middleware** system, analogous to — but separate from — the one
 in the HTTP layer may be used to customize client behavior when preparing
 commands into requests and processing responses into results.
 
 ### Commands
-    
+
 Key-value pair objects representing an operation of a web service. Commands have a name and a set of parameters.
 
 ### Results
@@ -65,8 +65,7 @@ $command = $client->getCommand($commandName, $arguments);
 
 ```
 
-After creating a command, you may execute the command using the ``execute()``
-method of the client.
+After creating a command, you may execute the command using the ``execute()`` method of the client.
 
 ```php
 $result = $client->execute($command);
@@ -107,7 +106,7 @@ $promise = $client->fooAsync(['baz' => 'bar']);
 ```php
 $result = $promise->wait();
 
-echo $result['fizz']; //> 'buzz' 
+echo $result['fizz']; //> 'buzz'
 ```
 
 ## Concurrent Requests