Updated charted DEP to 0.4.X

packages/charted/lib/locale/format/time_format.dart

 /*
  * Copyright 2014 Google Inc. All rights reserved.
  *
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file or at
  * https://developers.google.com/open-source/licenses/bsd
  */
 part of charted.locale.format;
 
 typedef String TimeFormatFunction(DateTime date);
@@ skipping 26 matching lines @@
   DateTime parse(String string) {
     assert(_dateFormat != null);
     return _dateFormat.parse(string);
   }
 
   TimeFormatFunction multi(List<List> formats) {
     var n = formats.length, i = -1;
     while (++i < n) formats[i][0] = _getInstance(formats[i][0] as String);
     return (var date) {
       if (date is num) {
-        date = new DateTime.fromMillisecondsSinceEpoch(date.toInt());
+        date = new DateTime.fromMillisecondsSinceEpoch((date as num).toInt());
       }
       var i = 0, f = formats[i];
       while (f.length < 2 || f[1](date) == false) {
         i++;
         if (i < n) f = formats[i];
       }
       if (i == n) return null;
       return f[0].apply(date);
     };
   }
@@ skipping 61 matching lines @@
 
   UTCTimeFormat _getInstance(String template) {
     return new UTCTimeFormat(template, _locale);
   }
 
   DateTime parse(String string) {
     assert(_dateFormat != null);
     return _dateFormat.parseUTC(string);
   }
 }