Update readme.

Author: oozman

README.md

@@ -43,38 +43,42 @@ Sample Code:
 ```php
 <?php
 
-require_once 'vendor/autoload.php';
+require 'vendor/autoload.php';
 
-use ClickSendV3APILib\Controllers\SMSController;
+\ClickSend\Configuration::$username = 'YOUR USERNAME';
+\ClickSend\Configuration::$key = 'YOUR API KEY';
 
 $messages =  [
-        [
-            "source" => "php",
-            "from" => "sendmobile",
-            "body" => "Jelly liquorice marshmallow candy carrot cake 4Eyffjs1vL.",
-            "to" => "+61411111111",
-            "schedule" => 1536874701,
-            "custom_string" => "this is a test"
-        ],
-        [
-            "source" => "php",
-            "from" => "sendlist",
-            "body" => "Chocolate bar icing icing oat cake carrot cake jelly cotton MWEvciEPIr.",
-            "list_id" => 428,
-            "schedule" => "1436876011",
-            "custom_string" => "This is a test"
-        ]
+    [
+        "source" => "php",
+        "from" => "sendmobile",
+        "body" => "Jelly liquorice marshmallow candy carrot cake 4Eyffjs1vL.",
+        "to" => "+61411111111",
+        "schedule" => 1536874701,
+        "custom_string" => "this is a test"
+    ],
+    [
+        "source" => "php",
+        "from" => "sendlist",
+        "body" => "Chocolate bar icing icing oat cake carrot cake jelly cotton MWEvciEPIr.",
+        "list_id" => 428,
+        "schedule" => "1436876011",
+        "custom_string" => "This is a test"
+    ]
 ];
 
 try {
-    $controller = new SMSController('your-username', 'your-api-key');
+
+    $controller = new \ClickSend\Controllers\SMSController('your-username', 'your-api-key');
     $response = $controller->sendSms(['messages' => $messages]);
-    //response will return an object
+
     print_r($response);
-} catch(APIException $e) {
+
+} catch(\ClickSend\APIException $e) {
+
     print_r($e->getResponseBody());
-}
 
-?>
+}
+#END OF PHP FILE
 ```