World
=====
A world encompasses the reality the robot experiment takes place, this includes simulations
like PyBullet, as well as The Simulation We Inhabit known as reality. Worlds contain RobotInterfaces,
ObjectInterfaces, Arenas and SensorInterfaces. They do not include experimental concepts such as tasks
and reward functions.

World
-----
.. autoclass:: perls2.worlds.world.World
    :members:

BulletWorld
-----------
.. autoclass:: perls2.worlds.bullet_world.BulletWorld
    :members:

RealWorld
---------
.. autoclass:: perls2.worlds.real_world.RealWorld
    :members: