configurable

When I first set out to study abroad, I knew it would be a life changing experience for me. Along the way I made new friends, tried new foods, and, most importantly: learned new languages.

As a result, I've decided to move on from my English-speaking past. I've successfully converted all of my personal stack to non-English except for one: this application.

My use case is: I use this script t

Describe the bug
The downloads for MPI3D and dSprites do not work automatically

To Reproduce

from disent.dataset.data import Mpi3dData
data = Mpi3dData(in_memory=True)

Leads to

FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\[...]\\data\\dataset\\mpi3d_realistic\\mpi3d_realistic.npz'

Expected behaviour
It would be nice if the datasets

Require success is our way of enabling the users to choose what is considered as errors and should hard fail.

When something is required to succeed, it must apply its function successfully.

ie: in casting, casting "123" to integer will succeed, but casting "test" to integer will fail.

When require_success is set to True in casting then this will trigger a hard fail and mapping wil