ServiceStack/ServiceStack.Text — pull request #159 by MikaelEliasson (2012-08-10 19:30:16+00:00)
Title: Configuration for TimeSpan serialization format

Makes it possible to change the format the JsonSerializer will use through the JsConfig.TimeSpanHandler. The default value is to keep the behaviour and by setting JsonTimeSpanHandler.StandardFormat .net ToString method of the TimeSpan will be used