Haiku 0.0.10

• Added hk.mixed_precision.push_policy.
• Added hk.experimental.{get_params,get_initial_state,get_current_state}.
• Added hk.experimental.{maybe_get_rng_sequence_state,maybe_replace_rng_sequence_state}.
• hk.switch now supports multiple operands.
• hk.get_parameter now supports init=None.
• hk.MethodContext now includes orig_class.
• hk.GetterContext now includes lifted_prefix_name.
• hk.layer_stack now allows parameter reuse.
• Haiku is now compatible with jax.enable_custom_prng.
• TruncatedNormal now exports lower and upper bounds.
• Haiku init/apply functions now return dict rather than Mapping.
• hk.dropout now supports broadcast_dims.