first steps for better private method scoping

lib/model-factory.js

@@ -115,12 +115,13 @@ ModelFactory.prototype.find = function(options) {
 }
 
 ModelFactory.prototype.build = function(values, options) {
-  var instance = new Model(values, Utils._.extend(this.options, {hasPrimaryKeys: this.hasPrimaryKeys}))
+  var instance = new Model(values, Utils._.extend(this.options, this.attributes, { hasPrimaryKeys: this.hasPrimaryKeys }))
     , self     = this
 
   options = options || {}
   instance.__definition = this
 
+  //console.log(this.attributes)
   Utils._.map(this.attributes, function(definition, name) {
     if(typeof instance[name] == 'undefined') {
       var value = null
@@ -129,7 +130,7 @@ ModelFactory.prototype.build = function(values, options) {
         value = self.rawAttributes[name].defaultValue
 
       instance[name] = value
-      instance.addAttribute(name, value)
+      instance.__addAttribute(name, value)
     }
   })
   Utils._.each(this.options.instanceMethods || {}, function(fct, name) { instance[name] = fct })