v0.1.4

Tsunami v0.1.4

Diff since v0.1.3

Closed issues:

• add accumulate gradient (#38)
• add docs for gradient clipping (#39)
• save the model_state in the checkpoint instead of the full model (#55)

Merged pull requests:

• save Flux.state(model) in checkpoints (#56) (@CarloLucibello)
• accumgrad and clipgrad (#57) (@CarloLucibello)
• deprecation for fit(ckpt_path, trainer, ...) (#58) (@CarloLucibello)