v0.4.0

This release improved the process and the features required for ONNXRuntime Mobile and ONNXRuntime Web,
Specifically

1. Support Android/Web-Assembly build
2. Support the custom build for the selected operators
3. Support non-exception C++ build
4. Add mobile-optimized operators for string manipulation and tokenization
5. The GPT-2 beam search tool
6. Some bug fixings

v0.3.1

A patch release for ONNXRuntime Release to fix the ABI incompatible issue.

v0.3.0

It supports:
The CustomOp C++ library for ONNX Runtime on ONNXRuntime CustomOp API.
PyOp feature to implement the custom op with a Python function.
Build all-in-one ONNX model from the pre/post processing Python code
Python per ONNX operator debugging, checking hook_model_op in onnxruntime_extensions Python package.