Released 2019-09-30

Breaking:
* Remove in-memory table cache and `/cachestatus` endpoint.
* Update `cartodb-query-tables` to version [`0.6.3`](https://github.com/CartoDB/node-cartodb-query-tables/blob/0.6.3/NEWS.md#version-063).
* Update `cartodb-psql` to version [`0.14.0`](https://github.com/CartoDB/node-cartodb-psql/blob/d8dae1d9726da7fb96806062247649fd6fb3c2f4/NEWS.md#version-0140-2019-09-10).

Announcements:
* Update `cartodb-query-tables` to version [`0.5.0`](https://github.com/CartoDB/node-cartodb-query-tables/releases/tag/0.5.0)
* Cache control header fine tuning. Set a shorter value for "max-age" directive if there is no way to know when to trigger the invalidation.
* Upgrade devel dependency `sqlite3` to version `4.0.6`
* Log queries (https://github.com/CartoDB/CartoDB-SQL-API/pull/574)
* Improve batch-queries draining while exiting the process #582
* Implement a mechanism to short out hung connections in copy-from endpoints.
* Implement POST method for copy-to endpoint.
* Log NOTICE's and WARNING's coming from COPY TO queries.
* Retrieve the exact PG field type information in JSON format responses.
* Middlewarify client abort query checker.
* Middlewarify query controller.
* Set a hard limit on the size of the X-SQLAPI-Log header.
* Update cartodb-psql to 0.14.0 and use the timeout parameter for pg.query.
* Expose rate limit headers for CORS requests.