Overview of changes in gcalctool 5.19.5

* Released a gcalctool tarball for GNOME 2.19.5.

    - Applied Sun patch to change the Comment line in gcalctool.desktop.in

    - Fixed bug #451286 – 0 power of 0. This now returns 1 and not an error.

    - Fixed bug #450790 – crash in Calculator when pasting in a very large
      number.

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