Compatibility with newer freetypes
GTK2: Call the correct callback when an accelerator is hit
GTK: Pass arguments to accel_group callbacks separately rather than as one array
GTK2.GDKEvent: Increase refcounts of strings returned from index operations
Thanks to Tim Angelico for help pinning down the crash that this caused.
GTK2.TreePath: Query the depth for get_indices() rather than looking for a terminator
release number bumped to 822 by export.pike
release number bumped to 823 by export.pike