2014-11-30-09.19.15: src/lib/x-kit/widget/widget-unit-test.pkg, src/lib/x-kit/widget/leaf/:  *button.api, *button.pkg, frame.api, frame.pkg:  Renamed  arrowbutton::has [...]  ->  arrowbutton::with [...]   (etc) because it reads better and <<with>> is no longer a reserved word.