Add support for index-only bbox queries. Can lead to false positives, but is faster to evaluate.
Additional Filter.addBBoxConstraint method added to prevent an API break
Merge pull request #3 from IDgis/3.4-improvement-support-index-only-bbox-queries-api-fix

Additional Filter.addBBoxConstraint method added to prevent an API break
Merge pull request #282 from occamlabs/3.4-improvement-support-index-only-bbox-queries

Add support for index-only bbox queries