Added spanish language (thanks to Enrique!)

added support for folders with more than 260 characters (if supported by the file system, only Windows Vista or newer)

added an undo, so that overwritten files can be restored

Fixed problems with server paths (..) with automatic syncs/backup on shutdown/logoff

Fixed problem with Foto-Sync with target folder withs file dates

FTP: File filter did sometimes not work

fixed some little bugs (e..g. user interface)