v0.3.3

• Eliminated tensorflow warnings. Added more tests for providers/loaders. Fixed bugs in multi-model provider/builder.
• Improved documentation
• Eliminate useless "which docker" check which fails on Windows hosts
• Perform redirect from / to Swagger API docs in Flask server
• Support for predict_proba method in ML model
• Do not fix first dimension size for numpy arrays and torch tensors
• Support for Pytorch JIT (TorchScript) models
• Bump tensorflow from 1.14.0 to 1.15.0
• Added more tests