Allow new version of splitmix-0.1.x in
Allow new version of splitmix-0.1.x in

simonmichael/stackage,soenkehahn/stackage,iand675/stackage,mrkkrp/stackage,fpco/stackage,jonschoning/stackage,Daniel-Diaz/stackage,michalkonecny/stackage,massysett/stackage