- add GLOBIGNORE: everything to ignore from globbing. Default value: empty.
- add dotglob: include hidden files (with leading dot) by default during pathname expansion
- add extglob: enable extending globbing with regular expression like extensions (see: http://mywiki.wooledge.org/glob#extglob)
- nocaseglob: ignore case during globbing
- add nocasematch: case insensitive matching for 'case' and '[[' commands
- restructure widgets in Advanced and Shopts categories
- update german translation
- fix some logging in advanced-rc