Commit SNIO version capable of reading and writing optional parameters found in *.inp files. The use of a METAFILE is optional. The varaibles stationID and stationname have been disentangled.
Reading: NUMBER_MEAS_TEMPERATURES, NUMBER_OF_SOLUTES, VW_DRIFT, RHO_HN in that order, [Input] section switch driven. The input data lines are even more checked than before.
Writing: if (param.exist()) will trigger writing out those values in the correct order for *.inp files.

In ImisIO the additional parameters ts and Hts are now  uppercase.