2009-01-01 : Version 0.9 : first fee available edition by Ulrich von Agris
2009-04-27 : Version 1.0 : BAS edition of SIGNUM, BAS validation passed
2011-12-06 : Version 1.1 : added machine readable ascii tables in /doc/ascii, updated html documentation
2013-04-16 : Version 1.2 : re-coded machine readable ascii tables in /doc/ascii to UTF-8, replaced motion jpeg directories data/sig*/per*/* by ZIP packages to enable CLARIN conform storage and distribution, added simple text/plain-utf-8 annotation files to data branch, updated html documentation