Collection.coffee in lanes-0.7.0

- old
+ new

@@ -11,10 +11,13 @@
         found
 
     pick: (keys...) ->
         _.map(@models, _.partialRight(_.pick, keys...))
 
+    unSaved: ->
+        @filter (pymnt) -> pymnt.isNew()
+
     sum: ->
         args = _.toArray(arguments)
         args.unshift(this.models)
         return _.sum.apply(_, args)
 
@@ -33,10 +36,10 @@
             )
             return this
         )
 
     clone: ->
-        new @constructor( @invoke( 'clone' ), @options )
+        new @constructor( @each( 'clone' ), @options )
 
     serialize: (options = {depth: 1}) ->
         depth = options.depth
         depth += 1
         options = _.extend({}, options, {depth})