ezeep/pyipptool — pull request #18 by sbellem (2013-12-05 16:02:43+00:00)
Title: Fixed group tag name for printer object

As per [CUPS ipptoolfile documentation](http://www.cups.org/documentation.php/doc-1.7/man-ipptoolfile.html):

### Tags
Value and group tags correspond to the names from RFC 2911 and other IPP extension specifications. Here are the group tags:
```
event-notification-attributes-tag
job-attributes-tag
operation-attributes-tag
printer-attributes-tag
subscription-attributes-tag
unsupported-attributes-tag
```