History:

    Version 1.21 (Released 9/23/2009)
       - Show the path of audio files.

    Version 1.2 (Released 6/18/2009)
        - Fix bug about can not initialize Lame encoder.

    Version 1.1 (Released 3/23/2008)
        - Fix the bug of joining 32kbps mp3.

    Version 1.0 (Released 7/12/2007)
        - Initial release.