- always query 'slice_ids_whitelist' so we can make sure only valid nodes are returned. remove this field later if user hasnt specified it. - fix nodes iterator bug.
- always query 'slice_ids_whitelist' so we can make sure only valid nodes are returned. remove this field later if user hasnt specified it.
- fix nodes iterator bug.


dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi