2016-03-28 Murray Cumming 3.20.0 2016-03-28 Murray Cumming Regenerate docs.xml files. 2016-03-28 Murray Cumming Update .defs. 2016-03-28 Murray Cumming Require glibmm 2.48.0 2016-03-21 Murray Cumming Require gtk+ 2.20.0