Support inputs of type number

@@ -100,6 +100,24 @@ describe('Rivets.Binding', function() {
     });
   });
   
+  describe('publish()', function() {
+    it("should publish the value of a number input", function() {
+      numberInput = document.createElement('input');
+      numberInput.setAttribute('type', 'number');
+      numberInput.setAttribute('data-value', 'obj.num');
+      
+      view = rivets.bind(numberInput, {obj: {num: 42}});
+      binding = view.bindings[0];
+      model = binding.model;
+
+      numberInput.value = 42;
+      
+      spyOn(rivets.config.adapter, 'publish');
+      binding.publish({target: numberInput});
+      expect(rivets.config.adapter.publish).toHaveBeenCalledWith(model, 'num', '42');
+    });
+  });
+
   describe('formattedValue()', function() {
     it('applies the current formatters on the supplied value', function() {
       rivets.config.formatters = {

@@ -148,7 +148,7 @@ unbindEvent = (el, event, fn) ->
 # Returns the current input value for the specified element.
 getInputValue = (el) ->
   switch el.type
-    when 'text', 'textarea', 'password', 'select-one', 'radio' then el.value
+    when 'text', 'textarea', 'password', 'select-one', 'radio', 'number' then el.value
     when 'checkbox' then el.checked
 
 # Returns an event binding routine for the specified event.