Simple select by label completed

- Renamed 'Win3.label' to 'Win3.label='
- Fixed bug in 'Win3.open'
- Fixed bug with set up new windowskin in '__wset?' and CMB
- Changed 'select_by_index' and 'select_by_label' commands in CMB with
VOCAB[:equal]
- Added select by label to '__swindow?'
- Fixed select by label in '__swindow?' - now it load label too
- Test zone updated for test it
- Docs updated
Localize

A little more localized words for windows
Get ready for the merge!

Закончить последние команды, связанные с настройками окон,
протестировать все команды, ккие только есть, перенести в тестовый
проект, а затем - слить ветку в master. Открыть ветку work-with-text
Open/Close this window

- Added '__wopen?' method
- Added '__wclose?' method
- Updated commands in CMB for it
- Improved code for '__wcreate?'
- Start work under window select in '__wdispose?'