111103 cs - DataCopy, DataReset bugfix, didn't work for attribute object references
111108 cs wbl NMpsCellData visibility of attributes changed
121031 cs nmps NMpsCell object graphs, layout fix
140513 cs nmps Plc data and NMps, class DataRefv added and type DataRef used for data references
140829 cs nmps Plc, new dataref and string function objects, DataSel, DataEqual, DataNotEqual, StrAdd, StrEqual, StrNotEqual, StrSel, StrTrim and StrParse
140814 cs co Time function for plc without exceptions at invalid times added, and fix in time_Aadd for negative deltatimes
140827 cs plc Plc, new time function objects AtDemux, AtLimit, AtMax, AtMin, AtMux, AtSel, DtDemux, DtLimit, DtMax, DtMin, DtMux and DtSel
140829 cs plc Plc, new dataref and string function objects, DataSel, DataEqual, DataNotEqual, StrAdd, StrEqual, StrNotEqual, StrSel, StrTrim and StrParse