Force to give it Entrance? For _Aqua regia_ is nothing else than _Aqua
fortis_ mix'd with some Spirit of Salt, or with Sal-armoniac; and even
common Salt dissolved in _Aqua fortis_, enables the _Menstruum_ to
dissolve Gold, though the Salt be a gross Body. When therefore Spirit of
Salt precipitates Silver out of _Aqua fortis_, is it not done by
attracting and mixing with the _Aqua fortis_, and not attracting, or

## Major Features and Improvements

*   Added a distributed runtime using GRPC
*   Move skflow to `contrib/learn`
*   Better linear optimizer in `contrib/linear_optimizer`
*   Random forest implementation in `contrib/tensor_forest`
*   CTC loss and decoders in `contrib/ctc`
*   Basic support for `half` data type
*   Better support for loading user ops (see examples in `contrib/`)