typo
avoiding VRA image records when listing collection; since other record formats may occur, the processed formats are listed.
removing set operations designed to show the VRA work records that VRA image records belong to; this ruins sorting and is given up in favour of only searching inside VRA work records
reverting "typo" commit in order to facilitate merging
Merge pull request #160 from jensopetersen/master

avoiding VRA image records when listing collection