Release v1.4.0

Version 1.3.2

Version 1.3.1

Merge pull request #77 from gjaldon/refactor-internals

Refactor internals and add requested features

Bump version to 1.2.0 and update changelog

Loosen dependency requirements

Bump to version 1.0.2

Release: v1.0.1

Merge pull request #17 from gjaldon/ecto-2.0

[WIP] Ecto 2.0 support

Merge pull request #16 from gjaldon/pg-enum-type

Pg enum type