[GRASS-stats] Some refactoring and fixing

[Rainer M Krug]

An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <http://lists.osgeo.org/pipermail/grass-stats/attachments/20150127/e20265df/attachment.ksh>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 494 bytes
Desc: not available
URL: <http://lists.osgeo.org/pipermail/grass-stats/attachments/20150127/e20265df/attachment.pgp>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 494 bytes
Desc: not available
URL: <http://lists.osgeo.org/pipermail/grass-stats/attachments/20150127/e20265df/attachment-0001.pgp>