orderedhash_revamp branch is ready for merging

[Vasily Chekalkin]

James E Keenan wrote:
> However, the 'svn diff' is enormous:  > 1.5 megs compressed; 282766 
> lines long.  This is going to be difficult for humans to review (at 
> least this one ;-) ) and will probably be a PITA to 'svn merge'.
> 
> If you were to apply the essence of your changes to a branch forked more 
> recently from trunk, would that yield a more manageable patch?

It's quite interesting. git-svn diff is less than 50K, about 1500 lines. 
So I'm going to ignore another svn misbehavior :)

-- 
Bacek