Re: Marshal and friends

[sschwarzer]

I think, as far as usage is concerned, Nim's `marshal` module corresponds more 
to Python's `pickle` module. Compared to the `pickle` module, the `marshal` 
module has quite a few caveats: 
[https://docs.python.org/3/library/pickle.html#comparison-with-marshal](https://docs.python.org/3/library/pickle.html#comparison-with-marshal)