- added Time.GetSystemTime(formatstring)
- extended XmlHelper to create a (virtual) file if the given one is not existing, added new helper methods to handle root nodes
- extended TData with new functionalities (join, append, appendTo)
- new TDataXmlStorage for easy storage and retrieval of TData
- added new sample "settingsfile" to give an example how TDataXmlStorage can handle base and user settings files