-[BUG] Fix for counts queries with no result [#906](https://github.com/sequelize/sequelize/pull/906). thanks to iamjochem
-[BUG] Allow include when the same table is referenced multiple times using hasMany [#913](https://github.com/sequelize/sequelize/pull/913). thanks to janmeier
-[BUG] Allow definition of defaultValue for the timestamp columns (createdAt, updatedAt, deletedAt) [#930](https://github.com/sequelize/sequelize/pull/930). Thank to durango
-[BUG] Don't delete foreign keys of many-to-many associations, if still needed. [#961](https://github.com/sequelize/sequelize/pull/961). thanks to sdepold
-[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
