Bumped version number to 0.18.1-dev
Bumped version number to 0.18.1-dev

BenoitPerrot/oce,tpaviot/oce,BenoitPerrot/oce,tpaviot/oce,BenoitPerrot/oce,tpaviot/oce,BenoitPerrot/oce,tpaviot/oce,BenoitPerrot/oce,tpaviot/oce