Look for formatters on model object too

@@ -15,6 +15,7 @@ describe('Rivets.Binding', function() {
     el.setAttribute('data-text', 'obj.name');
     view = rivets.bind(el, {obj: {}});
     binding = view.bindings[0];
+    model = binding.model;
   });
 
   it('gets assigned the routine function matching the identifier', function() {
@@ -72,6 +73,12 @@ describe('Rivets.Binding', function() {
       binding.formatters.push('awesome');
       expect(binding.formattedValue('hat')).toBe('awesome hat');
     });
+    
+    it('uses formatters on the model', function() {
+      model.modelAwesome = function(value) { return 'model awesome ' + value };
+      binding.formatters.push('modelAwesome');
+      expect(binding.formattedValue('hat')).toBe('model awesome hat');
+    });
 
     describe('with a multi-argument formatter string', function() {
       beforeEach(function() {

@@ -26,7 +26,7 @@ class Rivets.Binding
     for formatter in @formatters
       args = formatter.split /\s+/
       id = args.shift()
-      value = Rivets.config.formatters[id] value, args...
+      value = (Rivets.config.formatters[id] || @model[id]) value, args...
 
     value