* Remove some unused macros. * More unused fixes.
* Update for pyo3 0.21. * Also adapt the RL example. * Fix for the pyo3-onnx bindings... * Print details on failures. * Revert pyi.
* Add some reinforcement learning example. * Python initialization. * Get the example to run. * Vectorized gym envs for the atari wrappers. * Get some simulation loop to run.