Hannah Mark

Thanks, Tom! I did a rebase and addressed those first few comments you gave. I'll work on docs/tests and an example soon.

Ok, I added some documentation (including a tutorial notebook with simple synthetics) and tests - it seems to have broken something in sphinx but I'm not sure what. Let me...

Thanks, Tom. I made a bit of a mess with the commit history but it looks like the docs are ok now. I think the rest of the tests are...

Thanks - all looks good to me!