use postgres connection pools
bump version 0.1.13
added distinct functionality
version bump 0.1.14
PostgreSQL supports arrays, this plugin should not stringily them.
version bump 0.2.0

breaks backward compatibility for Array types
use postgresql types instead of a shim

Postgresql has support for all the types of fields used. There is no need to stringify everything.
version bump 0.3.0

potentially breaking changes, hence minor version upgrade.
search db with list of ids
Merge pull request #5 from david-cahill/master

Search database with list of ids
version bump 0.3.1
Merge pull request #6 from ckiss/master

ability to set fields value to null(required for deleting values)
version bump 0.4.0