Use Set instead of SparseBitList #2
Description
Seems like the SparseBitList type which I made for this package is redundant. Using the Base.Set and a sizehint! is probably better in every aspect.
I will change it to Set and remove SparseBitList entirely.
One the other hand, lookup in Vector is faster for small sets: https://bkamins.github.io/julialang/2022/04/08/fast2.html