1. ASCII code editing mode:
Added Ctrl-F4 key to toggle ASCII code editing mode.
2. Support headless system:
Should be run without vide RAM for remote control system to work.
3. Read / write UEFI variables
Must be used with RUSMI module (AMI Aptio code).
Bug fixes / Improvements:
1. Fixed pull down menu are overlaid by CPU MSR name
2. Fixed displaying not enough horizontal index numbers if bytes_in_page<0xf0
3. Fixed saved history SMBIOS not working if it is not current displayed page
4. Changed warning beep to make it louder
5. Input line window will no longer exit for function keys