Merge pull request #169 from mikeric/fix-rebinding-for-the-each-binder

Fix re-binding for each-* bindings

@@ -370,6 +370,7 @@ Rivets.binders =
     block: true
 
     bind: (el) ->
+      unless @marker?
         attr = ['data', @view.config.prefix, @type].join('-').replace '--', '-'
         @marker = document.createComment " rivets: #{@type} "
         @iterated = []