Update README.md

A couple of missing commas prevented the code samples compiling.

Author: simonharris

README.md

@@ -49,7 +49,7 @@ Use the client to query and manipulate your organisation’s Salesforce data. Fi
 
 ```php
 $builder = new \Phpforce\SoapClient\ClientBuilder(
-  '/path/to/your/salesforce/wsdl/sandbox.enterprise.wsdl.xml'
+  '/path/to/your/salesforce/wsdl/sandbox.enterprise.wsdl.xml',
   'username',
   'password',
   'security_token'
@@ -119,7 +119,7 @@ $log = new \Monolog\Logger('name');
 $log->pushHandler(new \Monolog\Handler\StreamHandler('path/to/your.log'));
 
 $builder = new \Phpforce\SoapClient\ClientBuilder(
-  '/path/to/your/salesforce/wsdl/sandbox.enterprise.wsdl.xml'
+  '/path/to/your/salesforce/wsdl/sandbox.enterprise.wsdl.xml',
   'username',
   'password',
   'security_token'