- Handled by 'S' command
* Added dummy 'z' command to handle zignaturez
- Added more dummy 'az' commands
- RCore now depends on RSign
* Some refactoring and speedup in _update method of RSearch
- Added support for distance search (maybe buggy and incomplete atm)
- Fix binary mask for keywords after previous commit
* Added 'r_str_rwx*' helper functions in r_util