ruckus/quickbooks-ruby — pull request #95 by markrickert (2014-04-21 22:20:15+00:00)
Title: Readme update. The documentation specifically says that OR operations are not supported

Relevant url: https://developer.intuit.com/docs/0025_quickbooksapi/0050_data_services/020_key_concepts/00300_query_operations/0500_simplified_syntax

> The WhereClause filters the returned data according to the value of a property
> Note: Multiple clauses (filters) are AND'd. The OR operation is not supported.