Added :three-gens-some-diff-diffs option for :autoconstructive-diversification-test.
Added :three-gens-some-diff-diffs option for :autoconstructive-diversification-test.

thelmuth/Clojush,lspector/Clojush,NicMcPhee/Clojush,NicMcPhee/Clojush,saulshanabrook/Clojush,lspector/Clojush,saulshanabrook/Clojush,thelmuth/Clojush,Vaguery/Clojush,Vaguery/Clojush