 
   resetList:->
 
-    lastFrom = null
-    lastTo   = null
+    delete @lastTo   = null
+    delete @lastFrom = null
+
     @listController.removeAllItems()
 
   setFilter:(type) -> @currentFilter = if type? then [type] else activityTypes


    super options

    @currentFilter     = activityTypes
    @appStorage        = new AppStorage 'Activity', '1.0'
    activityController = @getSingleton('activityController')

        options = to : options.to or Date.now()

        @fetchActivity options, (err, teasers)=>
          @isLoading = no
          @listController.hideLazyLoader()
          if err or teasers.length is 0
            warn err
