Feature list - remove client from pool before closing it https://github.com/apache/dubbo-go/pull/190 - move callService to invoker;complete attachments; merge master;upgrade hessian2 https://github.com/apache/dubbo-go/pull/193 - Add:retries mergeUrl https://github.com/apache/dubbo-go/pull/198 - Update readwriter.go https://github.com/apache/dubbo-go/pull/199
Bug Fix - failoverbug and retries change to string type https://github.com/apache/dubbo-go/pull/195 - fix url params unsafe https://github.com/apache/dubbo-go/pull/201
