Sequelize.js 3.13.0 发布，更新如下： [FIXED] timestamp columns are no longer undefined for associations loaded with separate. #4740 [FIXED] Mark unscoped model as .scoped, to prevent injection of default scope on includes #4663 [ADDED] .previous now returns and object of previous values when called without key. This brings the API in line with .changed 下载页面：v3.13.0 Sequelize.js 提供对 MySQL，MariaDB，SQLite 和 PostgreSQL 数据库的简单访问，通过映射数据库条目到对象，或者对象到数据库条目。简而言之，就是 ORM（Object-Relational-Mapper）。Sequelize.js 完全是使用 JavaScript 编写，适用于 Node.js 的环境。 Sequelize.js 3.13.0 发布，Node.js 的 ORM下载地址
