**Describe the bug** unicode characters decoding error **To Reproduce** try to read the attached file as `JsonNet.Deserialize<ExpandoObject>(File.ReadAllText(file));` **Desktop (please complete the following information):** - OS: win10 tested with commit "Update dotnetcore.yml" [test.zip](https://github.com/obarlik/Json.Net/files/7148824/test.zip)
