fix Issue #201 , uint64
fix Issue #201 , uint64

clsung/go-restful,mtojek/go-restful,emicklei/go-restful,vikstrous/go-restful,gaowenbin/go-restful,emicklei/go-restful,rentongzhang/go-restful,nothingmuch/go-restful,liggitt/go-restful,nothingmuch/go-restful,mtojek/go-restful,tabuyashir/go-restful,wuub/go-restful,franciscocpg/go-restful,gaowenbin/go-restful,rentongzhang/go-restful,franciscocpg/go-restful,vinayakhulawale/go-restful,brendandburns/go-restful,nullbus/go-restful,vinayakhulawale/go-restful,henrylee2cn/go-restful,liggitt/go-restful,jabong/go-restful,grupawp/go-restful,jabong/go-restful,SavantSystems/go-restful,henrylee2cn/go-restful,grupawp/go-restful,brendandburns/go-restful,jabong/go-restful,SavantSystems/go-restful,tabuyashir/go-restful,vikstrous/go-restful,nullbus/go-restful,henrylee2cn/go-restful,wuub/go-restful,franciscocpg/go-restful,w4ngyi/go-restful,clsung/go-restful,nullbus/go-restful,w4ngyi/go-restful