Yahoo::Marketing::BulkService - an object that provides capability to modify or update an account's objects using a file based on the YSM bulk template.
See EWS documentation online for available SOAP methods:
http://searchmarketing.yahoo.com/developer/docs/V6/reference/services/BulkService.php
Also see perldoc Yahoo::Marketing::Service for functionality common to all service modules.
Creates a new instance
