Fix
- Fix wrong type for LossMulticlassLog (#282)
- Origin of issue is from takuya-takeuchi/FaceRecognitionDotNet#205 and takuya-takeuchi/FaceRecognitionDotNet#206
- Fix wrong type for load_mnist_dataset (#283)
Misc
- bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /examples/ASP.NET/FaceDetection.Client (#279)