GX-Entwicklung

We promised some bug fixes and improvements as well as new endpoints to our partner Vario, which is currently developing and new connector for their ERP system.
This ticket serves as a collection ticket and references all bug fixes and features:

• Missing REST API v2 endpoint for fetching all countries
• Pagination for quantity units is not available in REST API v2
• Pagination for packaging unit is not available in REST API v2 and endpoint is not documented
• Missing REST API v2 endpoint for fetching all customer groups
• Pagination for languages is not available in REST API v2
• Missing REST API v2 endpoint for currencies