small optimization for python api

[Daniel Beckham]

Would you please post your benchmark script?  I'd like to see where the
improvements were made and try the patch out myself.

-Daniel

Yoshinori K. Okuji wrote:
> Hello,
>
> I wrote a small patch against python-memcached-1.31. This improved the speed 
> by 17% in my benchmark test.
>
> I'm sending this patch here, because the package does not specify who the 
> maintainer is, so I don't know where to send it.
>
> Regards,
> Okuji
>