#060227 cs  -          Changelog created.
070528 cs  bck       Env variable allowed in backup filename.
070720 cs  celldisp  Int16 attributes in CellDisp with suffix ##Int16 in attributename.
080124 cs  applmir   Lock added for NMps cells to avoid inconsistency in application mirror.
080425 cs  wbl       Plc classes DataFRead and DataFWrite added.
110517 cs  -         NMps cells added with size 60 and 120.
111103 cs  -         DataCopy, DataReset bugfix, didn't work for attribute object references
111108 cs  wbl       NMpsCellData visibility of attributes changed
