MNT : tweaks because Documents are now iterable
MNT : tweaks because Documents are now iterable

danielballan/datamuxer,tacaswell/dataportal,danielballan/dataportal,ericdill/databroker,danielballan/dataportal,ericdill/databroker,ericdill/datamuxer,ericdill/datamuxer,danielballan/datamuxer,NSLS-II/dataportal,tacaswell/dataportal,NSLS-II/datamuxer,NSLS-II/dataportal