Merge pull request php-curl-class#56 from zborboa-google/patch-3

Add CURLFile example to README

Author: zachborboa

README.md

@@ -73,6 +73,13 @@ $curl->patch('http://api.example.com/profile/', array(
 ));
 ```
 
+```php
+$curl = new Curl();
+$curl->patch('http://api.example.com/profile/', array(
+    'image' => new CURLFile('path/to/file.jpg'),
+));
+```
+
 ```php
 $curl = new Curl();
 $curl->delete('http://api.example.com/user/', array(