Microsoft.Data.Services 5.6.1

What is in the release: Bug fixes 1. Fixed a bug where empty action parameter payloads was not supported, even when the parameters are optional. 2. Fixed a bug where client generates invalid payload when user calls AddLink multiple times. 3. Fixed a bug where the client could not deserialize action/functions in the JSON format when they are not declared in model. 4. Fixed a bug where calling AddQueryOption() with same system query option will cause duplication. 5. Fixed a bug where the client response pipeline will throw when the entry is null. 6. Fixed a bug where client didn’t set the response body to empty on some batch payloads. 7. Fixed a bug where DateTimeOffset is not encoded correctly in URL.