general:
- added Swedish mode.
- added a feature to ignore analog pad.

filer:
- added a feature to extract all files in an archive file.
- fixed a bug that files in RAR archive which had a broken filename (e.g. '?') could not be extracted correctly. (Those "unusable" characters will be replaced into '_')
- fixed a bug that memory leak was occured after failing to extract archive files into RAMDISK.
- fixed a bug to have shown wrong count of files after copying.