xml2sav version 2.1.1

Before it worked only with pspp. Now it also works with spss.

xml2sav 2.1 including support for exporting to csv

This version of xml2sav includes support for exporting to csv files. To install the windows version, download the binary and start it by double clicking it. This will associate the executable with files that have the xsav extension. After that double click on a xsav file to convert it to an SPSS compatible sav file.

First release

v2.0

Update .travis.yml