Driver for Exact HR & Salaris Gemak

Add a Driver for Exact HR & Salaris Gemak. Since these products have had several names in the past, it seems the API documentation from ‘Multivers’ applies here.

The API (see documentation at Exact Multivers WebAPI Guides) is OData based with OAuth.

Also see the technical documentation.

The API of Exact HR & Salaris Gemak (voorheen: Unit4 Personeel & Salaris) is now documented at:

and the full Open API documentation at:

https://api.hrsg.nl/api/documentation/swagger/v1