Using pg-hstore library to properly encode and decode Postgres HSTORE data
Adding pg-hstore dependency
Internalized support for HSTORE, now with tests
Merge pull request #695 from twg/master

Fix HSTORE encoding by using pg-hstore library.
Updated changelog
Merge branch 'master' of github.com:sequelize/sequelize
Merge branch 'master' into milestones/2.0.0