0.7.0
- Added support for OAuth 2.0
- Added command line interface for connecting to QBO.
- Fixed unicode issue in 'build_where_clause' and 'where' methods.
- Fixed incorrectly named field 'PurchaseTaxIncluded' on Item object.
- Fixed issue with to_ref method on TaxCode.
- Added DeleteMixin to JournalEntry.
- Updated User-Agent.