Version 1.30

- Adapt to interface changes of ChangeGlobally.vim version 1.30
- ENH: Implement global delete (gX{motion}, gXX) as a specialization of an empty change. *** You need to update to ingo-library (vimscript #4433) version 1.021 and to ChangeGlobally.vim (vimscript #4321) version 1.30! ***