Merge pull request #250 from nla/sc-continous-queries

Sc continous queries
updated ead date range parsing and updated generate pdf copy api.
Merge remote-tracking branch 'origin/master' into dsc-807-ingest
merge in latest changes.
Merge pull request #251 from nla/dsc-807-ingest

Dsc 807 ingest
Update README.md
merge updates.