-[BUG] Fixed bug when trying to save objects with eagerly loaded attributes [#716](https://github.com/sequelize/sequelize/pull/716). thanks to iamjochen
-[BUG] Strings for .find() should be fixed. Also added support for string primary keys to be found easily. [#737](https://github.com/sequelize/sequelize/pull/737). thanks to durango
-[BUG] Fixed problems with quoteIdentifiers and {raw: false} option on raw queries [#751](https://github.com/sequelize/sequelize/pull/751). thanks to janmeier
-[BUG] Fixed SQL escaping with sqlite and unified escaping [#700](https://github.com/sequelize/sequelize/pull/700). thanks to PiPeep
-[FEATURE] Validate a model before it gets saved. [#601](https://github.com/sequelize/sequelize/pull/601). thanks to durango
-[FEATURE] Schematics. [#564](https://github.com/sequelize/sequelize/pull/564). thanks to durango
-[FEATURE] Foreign key constraints. [#595](https://github.com/sequelize/sequelize/pull/595). thanks to optilude
