Bumps version to 3.2.0

Bumps version to v3.1.3

Bumps version to v3.1.2

Bumps version to v3.1.1

Runs formatter to fix lint issues

Removes hardcoded policy obs group for symmetry (#111)

Renames observation types to observation sets

Approved-by: Clemens Schwarke

Adds the RNN parameters to the optimizer for Distillation (#94)

* update rnn params as well

* bumps version

Bumps version to 2.3.2

Bump version to 2.3.1