implement object "attribute" (aka fields) property getters/setters on DAOs such …

…that custom object property getter/setter functions can be applied to a DAO instance (not yet implemented, but I suspect in to be defined along-side "instanceMethods"), all attribute values ar enow stored in a "dataValues" property and transparently made available for setting and getting via object property get/set functions

lib/dao.js

@@ -7,7 +7,7 @@ module.exports = (function() {
   var DAO = function(values, options, isNewRecord) {
     var self = this
 
-    this.dataValues                  = []
+    this.dataValues                  = {}
     this.__options                   = options
     this.hasPrimaryKeys              = options.hasPrimaryKeys
     this.selectedValues              = values
@@ -46,7 +46,10 @@ module.exports = (function() {
         , self   = this
 
       this.attributes.concat(this.__eagerlyLoadedAssociations).forEach(function(attr) {
-        result[attr] = self.dataValues[attr]
+        result[attr] = self.dataValues.hasOwnProperty(attr)
+                     ? self.dataValues[attr]
+                     : self[attr]
+                     ;
       })
 
       return result