Allow semigroups-0.12
(cherry picked from commit 8cbe7455dd5a76c731a1c335efb718b07fcb2241)
Bump version to 1.0.0.1
Release notes for 1.0.0.1
(cherry picked from commit 68d3f38c83dc1f1b83fdf60509b6f5090a6bec73)