Log Message:
Update to 0.7.5:

0.7.5:
    Support for international filenames in the song database and duplicate file \ 
detection.
    Reduced memory usage associated with duplicate file detection.

0.7.4:
    Better support for international characters in filenames.
    Better detection of environment to support new Posix-based platforms.
    Improved performer prompt on Windows.

0.7.3:
    Fixes for international / unicode characters in filenames.
    Support unusual CDG file draw commands found in the wild.
    Make About window work with Wx2.6 again. Recent About window changes work on \ 
Wx2.8 only.
    Add options for double-buffered and hardware.
    Clean up keyboard operations.
    ‘P’ pauses, Backspace rewinds.
    Allow remote control access to pykaraoke_mini.
    Support left/right margins
    Improvements to printing support.
    Fix occasional crash in CDG player.
    GP2X: Faster scrolling.
    Windows: Fix temporary filenames used for unzipping same song twice.
    OSX: Improvements to OSX support.