History:

    Version 2.2 (Released 7/26/2007)
        - Fix a bug of small WAV file converting to MP3.

    Version 2.1 (Released 7/12/2007)
        - Fix a bug in options dialog.
        - Change domain name and software name.

    Version 2.0 (Released 6/27/2007)
        - Support convert to WMA and OGG files.
        - Fix some bugs.

    Version 1.0 (Released 12/25/2006)
        - Initial release.