[MERGE] Make Tree.iter_changes public

[James Westby]

On Fri, 2008-03-07 at 22:36 +0000, Aaron Bentley wrote:
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> Hi all,
> 
> This patch makes renames Tree._iter_changes to Tree.iter_changes,
> thereby turning it into a public API.

Hi Aaron,

It seems you NEWS update disagrees with you:

> 
> +    * Tree.iter_files_bytes is now a public API.  (Aaron Bentley)
> +

Thanks,

James