formatting + docs

lib/sequelize.js

-var Utils          = require("./utils")
-  , DAOFactory   = require("./dao-factory")
-  , DataTypes      = require('./data-types')
-  , DAOFactoryManager   = require("./dao-factory-manager")
-  , Migrator       = require("./migrator")
-  , QueryInterface = require("./query-interface")
+var Utils             = require("./utils")
+  , DAOFactory        = require("./dao-factory")
+  , DataTypes         = require('./data-types')
+  , DAOFactoryManager = require("./dao-factory-manager")
+  , Migrator          = require("./migrator")
+  , QueryInterface    = require("./query-interface")
 
 if(parseFloat(process.version.replace('v', '')) < 0.6) {
   console.log("DEPRECATION WARNING: Support for Node.JS < v0.6 will be canceled in the next minor release.")
 }
 
 module.exports = (function() {
+  /**
+    Main constructor of the project.
+
+    Params:
+
+      - `database`
+      - `username`
+      - `password`, optional, default: null
+      - `options`, optional, default: {}
+
+    Examples:
+
+        mymodule.write('foo')
+        mymodule.write('foo', { stream: process.stderr })
+
+  */
   var Sequelize = function(database, username, password, options) {
     this.options = Utils._.extend({
       dialect: 'mysql',
@@ -46,6 +62,9 @@ module.exports = (function() {
     this.importCache = {}
   }
 
+  /**
+    Reference to Utils
+  */
   Sequelize.Utils = Utils
 
   for (var dataType in DataTypes) {