Update API to new model
export for schemata/mappings with everything necessary:
- ignore null values
(from redmine: issue id 553, created on 2018-01-22tgradl, closed on 2018-01-22)
export for schemata/mappings with everything necessary:
(from redmine: issue id 553, created on 2018-01-22tgradl, closed on 2018-01-22)