Entries in PSI file are saved only when cell contains something
Merge branch 'master' into psi-export
0.6.7 release
Correct number of grids in file is saved
Variables names corrected
Merge branch 'master' of https://github.com/maciek123/pyage-forams
0.6.8 release
CsvStatistics produces now file with *.csv extension
Merge branch 'master' into distributed
exception handling