Adding support for Maps and Sets

[gabimoncha]

Hello! Thank you for forking and maintaining this library.
Is it possible to add support for Maps and Sets?

[Kikobeats]

Yes, it'll be added after #66 is landed 🙂

[gabimoncha]

@Kikobeats I gave it a try with #71 :D

[Kikobeats]

Ideally I want to address #66 so it makes easier to supoprt any kind of shape