[backup/portable] properly write the eid numrange generator (the eid is no more a sequence)
Bump format version to 1.1.
Related to #4870338
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0