fix issue #4. applied patch from Xjs. thanks!
fix issue #4. applied patch from Xjs. thanks!

ghickman/couchdbkit,ghickman/couchdbkit,sirex/couchdbkit,benoitc/couchdbkit,benoitc/couchdbkit,sirex/couchdbkit,ghickman/couchdbkit,benoitc/couchdbkit