Yos Riady

Looking at the crypto space, Merkle trees typically use a branching factor of 2. I think we can simplify the code. Feel free to send in a PR! I can't...

@olivierodo Thanks for this contribution. Please go ahead with the changes and we can merge it!

> Why not put the types directory under test/types given that it's used for testing? I agree, that would be cleaner. > What's the motivation between only having one owner...