Assign permissions for more sequences

We do not need to restrict us to manage permissions
just those sequences that in dependency with other db resources.
The exclusion is because you're unable to change the owner of sequences linked to table (i.e. sequences created automatically, e.g. with `serial`). However, if you're not getting any error, I'd say go ahead. The original code targeted 9.2 and changed the permissions by *writing* directly to the `pg_*` tables instead of using DDL (`GRANT` statements), so it's quite possible this is not a problem anymore.