0.7.0

Features

• init now only called once internally and required to be called explicitly by the user under certain circumstances
• summary now uses jax.eval_shape under the hood so its super fast since it doesn't allocate memory or perform any computations on the device.

Merged pull requests:

• Fix notebook #166 (cgarciae)
• Single Initialization: Removes the current progressive initialization in favor of a single underlying call to init_step. #165 (cgarciae)