Here be dragons! Branch tt761_keys_revamp merged to trunk.

[Vasily Chekalkin]

François Perrad wrote:

> * Cardinal : some tests complain of
>         shift_pmc() not implemented in class 'StringIterator'
> 
> The issue could be easily fixed in Cardinal ( shift_pmc => shift_string + box ).

Fix and tests added at r40132. Thanks!

-- 
Bacek

(I'm still trying to understand why Lua failing...)