make subject a limit search - allow linit-only searchs
make subject a limit search - allow linit-only searchs
Merge branch 'limit-only-search' of github.com:Connexions/cnx-archive into limit-only-search
make the subject/tag limit join conditional, to avoid excess rows on non-limit searches
more created/revised fixes in tests
Merge pull request #130 from Connexions/limit-only-search

Adds limit only search (#129) and fixes the publication date.