made global, which may (partially) fix https://github.com/leocrawford/picasawebsync/issues/32#issuecomment-174444693
made global, which may (partially) fix https://github.com/leocrawford/picasawebsync/issues/32#issuecomment-174444693

gowthamgts/picasawebsync,leocrawford/picasawebsync