Consider separating chromosomes on new dimension

[younik]

Currently an individual is represented as a boolean array of shape(m, d), where all markers are on the same axis.
This has the advantage of allowing chromosomes to have a different number of markers.
However, it is possible to represent an individual as (c, m, d), where now c is the number of chromosomes and m the number of marker per chromosome. This allows to parallelize also over the chromosomes, and separate chromosomes more easily.
However, padding is needed when the number of markers per chromosome differ, and we should investigate if it is convenient.