def col0_edited_cb( self, cell, path, new_text, model ):
        print "Change '%s' to '%s'" % (model[path][0], new_text)
        model[path][0] = new_text
        return
Called when a text cell is edited.  It puts the new text
dataset/ETHPy150Open anandology/pyjamas/pygtkweb/demos/046-cellrenderer.py/DisplayModel.col0_edited_cb