In version 1.4.0
----------------
    - Some bugs fixed.
    - Now you can run only one copy of WallpaperChanger.exe.
    - Preview window in Add/Edit dialog.

In version 1.3.1
----------------
    - Some bugs fixed.

In version 1.3
--------------
    - Some bugs fixed.
    - New Hot keys:
        Ins - Add new wallpaper
        Del - Delete current wallpaper
        Space - Show wallpaper (in manual mode)
        Enter - Edit wallaper (in manual mode)
        Ctrl+Enter - Switch between automatic/manual modes
    - Help updated.

In version 1.2
--------------
    - Help added.
    - Some bugs fixed.

