Talos

Major Changes

- Added comprehensive support for multi-input model workflows
- Added `DistributeParamSpace` to allow distributing parameter space across several hosts

Fixes

- Fixed an issue that would mix the order of columns on the experiment log in Python 3.6 and older

Minor Changes

- Added more control over the
- Unified naming convention of all Callbacks
- Moved all Callbacks to `callbacks` submodule

- Unifies the way parameter space is created
- Fixes issues with PowerDrawCallback
- Adds DistributeParamSpace for distributed hyperparameter experiments
- Several other small fixes and cleanups

Small fixes to bring everything up-to-date.

The initial release of the new multi-backend Talos.

Supports multi-backend Keras.

Fixes a version compatibility issue with TensorFlow.