Documentation updated

Author: vgrem

README-Dev.md

@@ -0,0 +1,21 @@
+# Installing dependencies
+
+Enable the following extensions:
+- [PHP cURL](https://www.php.net/manual/en/book.curl.php) 
+- [DOM](https://www.php.net/manual/en/book.dom.php)
+- [Multibyte String](https://www.php.net/manual/en/book.mbstring.php)
+
+On Linux (Ubuntu): 
+
+```
+apt-get install php-curl
+apt-get install php-dom
+apt-get install php-mbstring
+```
+
+# Running tests
+
+
+```
+vendor/bin/phpunit --bootstrap tests/bootstrap.php --no-configuration tests/sharepoint
+```

README.md

@@ -187,8 +187,7 @@ $client = (new ClientContext("https://{your-tenant-prefix}.sharepoint.com"))->wi
 
 $list = $client->getWeb()->getLists()->getByTitle("Tasks");
 $itemProperties = array('Title' => 'Order Approval', 'Body' => 'Order approval task');
-$item = $list->addItem($itemProperties);
-$client->executeQuery();
+$item = $list->addItem($itemProperties)->executeQuery();
 print "Task {$item->getProperty('Title')} has been created.\r\n";
 ```
 
@@ -202,8 +201,7 @@ $client = (new ClientContext("https://{your-tenant-prefix}.sharepoint.com"))->wi
 
 $list = $client->getWeb()->getLists()->getByTitle("Tasks");
 $listItem = $list->getItemById("{item-id-to-delete}");
-$listItem->deleteObject();
-$client->executeQuery();
+$listItem->deleteObject()->executeQuery();
 ```
 
 Example 4. How to update SharePoint list item:
@@ -217,8 +215,7 @@ $client = (new ClientContext("https://{your-tenant-prefix}.sharepoint.com"))->wi
 $list = $client->getWeb()->getLists()->getByTitle("Tasks");
 $listItem = $list->getItemById("{item-id-to-update}");
 $listItem->setProperty('PercentComplete',1);
-$listItem->update();
-$client->executeQuery();
+$listItem->update()->executeQuery();
 ```
 
 
@@ -311,9 +308,7 @@ function acquireToken()
 }
 
 $client = new GraphServiceClient("acquireToken");
-$drive = $client->getMe()->getDrive();
-$client->load($drive);
-$client->executeQuery();
+$drive = $client->getMe()->getDrive()->get()->executeQuery();
 print $drive->getWebUrl();
 
 ```