Htagui

pop object in inner window (not in outerspace anymore)

dialog pop is now a real layer (independant of ui.dialog), so it can be displayed over modals, with a transparent layer

Fix dialog.prompt ... title & value are in the same order as javascript window.prompt now

minor fixes

+ VSPlit yet ;-)

and splitters onchange event, sizes attributes, and can be setted

lot of changes

- dialog.previous & dialog.box are deprecated ... will be removed soon
- dialog.page( obj=None ) permits to display or hide a full page
- dialog.alert can now override the width size only, with size:float parameter
- and lot of little fixes in the 4ui

**Full Changelog**: https://github.com/manatlan/htagui/compare/v0.4.2...v0.5.0

some fixes

+ Radios & IRadios