 
     updateHash = ->
       h = obj.value()
-      window.location.hash = h unless window.location.hash == h
+      window.location.hash = h unless window.location.hash is h
 
     dvl.register({fn:updateHash, listen:[obj], name:'hash_changer'})
     return

      return @vgen
    else
      that = this
      if dvl.typeOf(@v) == 'array'
        return ((i) -> that.value[i])
      else
        return (-> that.value)

      return @vlen
    else
      if @v?
        return if dvl.typeOf(@v) is 'array' then @v.length else Infinity
      else
        return 0

