[patch] add a bitvector class

[Hubert Figuiere]

On Thu, 2008-06-05 at 22:17 +0100, Rafael Espíndola wrote:
> I have started cleaning up my hack to support compressed NEFs.  The
> attached patch is a helper class. It wraps a buffer in a bit vector so
> that it is easy to access each individual bit. In practice I use only
> the iterator, but I like being able to use a STL like loop

Looks fine to me as is, but I'll wait to have code that use it before
adding it :-)

Feel free to resubmit it when you have the rest of the code :-)


Hub