INST: allow to install patches that are below the current version
INST: allow to install patches that are below the current version

Former-commit-id: 2673e833aee53938deaeda4cbd57a831ab83f63a [formerly ce93b338f6f7acd1abf9358457891a8a681d6ec0]
Former-commit-id: cee04e106744d350376754ca4e8330d5abbc1f3f
Former-commit-id: 0bb8fcf843b66d8fcea8fefe8ed2af57b4d56aac
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox