generates xero-python-1.18.0 from OAS 2.27.0 - #97

Generates Xero-Python 1.18.0 from OAS 2.27.0

Description

Accounting API

• Added support for Xero Go organisations that have invited in their accountant.
• Add new org type LITE to Class model

AU Payroll

• Add new properties to the LeaveType object: LeaveCategoryCode and SGCExempt (See docs)
• Add new schema definitions:
  LeaveCategoryCode enum

Release Notes

API consumers will need to categorize all leave pay items as part of STP phase 2. The leave category code will be used to determine which category a new leave pay item will be filed as.
There are different rules for pay items created with these leave categories, some cannot be SGC exempt

Types of Changes

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)