jrochkind/traject — pull request #29 by billdueber (2013-09-18 18:38:59+00:00)
Title: Add :deduplicate option to extract_marc

Allow a `:deduplicate=>true` option to `extract_marc` in the same way we allow `:first`.

Also allows `:uniq` as an alias, since it'll be more familiar and easier to remember for rubyists.