Update lib/sequelize.js

Using options.type to define query type or getting it from the sql string

lib/sequelize.js

@@ -141,7 +141,7 @@ module.exports = (function() {
     options = Utils._.extend(Utils._.clone(this.options.query), options)
     options = Utils._.extend(options, {
       logging: this.options.hasOwnProperty('logging') ? this.options.logging : console.log,
-      type: (sql.toLowerCase().indexOf('select') === 0) ? 'SELECT' : false
+      type: options.type || (sql.toLowerCase().indexOf('select') === 0) ? 'SELECT' : false
     })
 
     return this.connectorManager.query(sql, callee, options)