Patch
* `PatchRequestBody` got `NewSplitHeader` field * Introduce `SetNewSplitHeader`, `GetNewSplitHeader` * Fix converter and marshaler Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>