#51 Added doc support to update DSL
Added tests for update DSL
Update README.md
Update README.md
Update README.md
#51 Added docAsUpsert methods and refactored original upsert. Added better tests.
Added update guide
Added support for Source into update
#51 Added support for source in update
Updated build for release 0.90.7.4
Fixed failing test
Updated test coverage for some queries/filters