Overview of changes in gcalctool 5.8.23

* Released a gcalctool tarball for GNOME 2.16.0 (RC1).

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Overview of changes in gcalctool 5.8.22

* Removed several chunks of code that were surronded by #if 0/#endif.

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Overview of changes in gcalctool 5.8.21

* Fixed bug #350341. gcalctool now builds again with gcc v2.95.

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