rasmushaglund

// Used to calculate Coefficient of relationship
// https://en.wikipedia.org/wiki/Coefficient_of_relationship

// Limitations: Does not handle identical twin common ancestors

// Test examples based on http://www.genetic-genealogy.co.uk/Toc115570135.html

var init = function (persons) {
	for (p in persons) {
	    	persons[p].children = [];