* Changed count to be approximate. Should help with postgres slowness
* refactored last commit to only fall back to estimate if no complex query
* handlign variables correctly
* Trying again because it was casting to lowercase table names which doesnt work for us/
* syntax error
* Adding quotations to pg query
* hopefully final pg fix
* Postgres will now use an approximate count unless there is a more complex query specified
* handling edge case
* Fix for count being very slow on large Parse Classes' collections in Postgres. Replicating fix for Mongo in issue 5264
* Fixed silly spelling error resulting from copying over notes
* Lint fixes
* limiting results to 1 on approximation
* suppress test that we can no longer run for postgres
* removed tests from Postgres that no longer apply
* made changes requested by dplewis
* fixed count errors
* updated package.json
* removed test exclude for pg
* removed object types from method
* test disabled for postgres
* returned type
* add estimate count test
* fix mongo test