allow install via composer

README.md

@@ -21,7 +21,7 @@ If you find a bug in the SDK, please let us know about it. However, before you c
 
 - **Minimum requirements** - to use the SDK you must be using OWA core v1.7.0 or later as well as PHP 7+.  We highly recommend having your PHP compiled with the cURL extension.
 
-- **Install the SDK** - download a tarball of the latest release or check the code out from a branch in this Github repository. If you do pull the code from a branch, be sure ot run `composer update` in order to pull in all of the dependancies (Guzzle, etc.) that are required.
+- **Install the SDK with composer** - composer require open-web-analytics/owa-php-sdk
 
 - **User Guide** - reead the [user guide](https://github.com/Open-Web-Analytics/owa-php-sdk/wiki) in order to lear how to work wit hthe SDK.
 
@@ -30,10 +30,9 @@ If you find a bug in the SDK, please let us know about it. However, before you c
 ### Create a Tracker ###
 
 ```php
-<?php require_once('owa-php-sdk/owa-autoloader.php');
-
 $config = [
-    'instance_url' => 'http://your.domain.com/owa/'
+    'instance_url' => 'http://your.domain.com/owa/',
+    'cookie_domain' => 'your.domain.com'
 ];
 
 $sdk = new OwaSdk\sdk($config);

composer.json

@@ -15,5 +15,10 @@
     },
     "require": {
         "guzzlehttp/guzzle": "~6.0"
-    }
+    },
+	"autoload": {
+		"psr-4": {
+			"OwaSdk\\": "src/"
+		}
+	}
 }