Tf-shell

Highlights:
- Tighter bounds on DP sensitivity in tf_shell_ml.
- Better scaling factor tracking.

Errata:
- Convolutional models sometimes fail during setup.

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.23...v0.1.24

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.22...v0.1.23

Highlights:
- Randomized rounding
- tf_shell_ml layer fixes for multi-GPU training.

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.21...v0.1.22

Highlights:
- Workaround tensorflow to fix convolution models.
- Fix: DG scale.

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.19...v0.1.21

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.18...v0.1.19

Highlights:
- Support sending large (>4GB) tensors between parties.

**Full Changelog**: https://github.com/google/tf-shell/compare/v0.1.17...v0.1.18j