public SoapRequestStream(AmazonS3 service, string bucket, string key, MetadataEntry[] meta2, Grant[] acl2, string accessKeyId, DateTime time, string sig, string cred)
            {
                _service     = service;
                _bucket      = bucket;
                _key         = key;
                _meta2       = meta2;
                _acl2        = acl2;
                _accessKeyId = accessKeyId;
                _time        = time;
                _sig         = sig;
                _cred        = cred;

                _stm = new MemoryStream();
            }
 // ***
 public SoapStorageService()
 {
     _service = new AmazonS3();
 }