Many methods/functions are missing go doc information

[nemith]

A lot of the standard methods are missing go doc. We should align the documentation with that found from the Java client lib (https://zookeeper.apache.org/doc/r3.4.14/api/index.html)

conn.go:57:6: exported type Dialer should have comment or be unexported
conn.go:69:6: exported type Conn should have comment or be unexported
conn.go:140:6: exported type Event should have comment or be unexported
conn.go:313:1: exported method Conn.Close should have comment or be unexported
conn.go:987:1: exported method Conn.AddAuth should have comment or be unexported
conn.go:1013:1: exported method Conn.Children should have comment or be unexported
conn.go:1026:1: exported method Conn.ChildrenW should have comment or be unexported
conn.go:1044:1: exported method Conn.Get should have comment or be unexported
conn.go:1076:1: exported method Conn.Set should have comment or be unexported
conn.go:1089:1: exported method Conn.Create should have comment or be unexported
conn.go:1151:1: exported method Conn.Delete should have comment or be unexported
conn.go:1160:1: exported method Conn.Exists should have comment or be unexported
conn.go:1178:1: exported method Conn.ExistsW should have comment or be unexported
conn.go:1203:1: exported method Conn.GetACL should have comment or be unexported
conn.go:1215:1: exported method Conn.SetACL should have comment or be unexported
conn.go:1228:1: exported method Conn.Sync should have comment or be unexported
conn.go:1241:6: exported type MultiResponse should have comment or be unexported
constants.go:10:2: exported const DefaultPort should have comment (or a comment on this block) or be unexported
constants.go:37:2: exported const EventNodeCreated should have comment (or a comment on this block) or be unexported
constants.go:58:2: exported const StateUnknown should have comment (or a comment on this block) or be unexported
constants.go:71:2: exported const FlagEphemeral should have comment (or a comment on this block) or be unexported
constants.go:89:6: exported type State should have comment or be unexported
constants.go:98:6: exported type ErrCode should have comment or be unexported
constants.go:101:2: exported var ErrConnectionClosed should have comment or be unexported
constants.go:208:6: exported type EventType should have comment or be unexported
constants.go:228:2: exported const ModeUnknown should have comment (or a comment on this block) or be unexported
server_help.go:18:6: exported type TestServer should have comment or be unexported
server_help.go:24:6: exported type TestCluster should have comment or be unexported
server_help.go:29:1: exported function StartTestCluster should have comment or be unexported
server_help.go:102:1: exported method TestCluster.Connect should have comment or be unexported
server_help.go:107:1: exported method TestCluster.ConnectAll should have comment or be unexported
server_help.go:111:1: exported method TestCluster.ConnectAllTimeout should have comment or be unexported
server_help.go:115:1: exported method TestCluster.ConnectWithOptions should have comment or be unexported
server_help.go:124:1: exported method TestCluster.Stop should have comment or be unexported
server_help.go:176:1: exported method TestCluster.StartServer should have comment or be unexported
server_help.go:186:1: exported method TestCluster.StopServer should have comment or be unexported
server_help.go:196:1: exported method TestCluster.StartAllServers should have comment or be unexported
server_help.go:207:1: exported method TestCluster.StopAllServers should have comment or be unexported
server_java.go:11:6: exported type ErrMissingServerConfigField should have comment or be unexported
server_java.go:18:2: exported const DefaultServerTickTime should have comment (or a comment on this block) or be unexported
server_java.go:26:6: exported type ServerConfigServer should have comment or be unexported
server_java.go:33:6: exported type ServerConfig should have comment or be unexported
server_java.go:44:1: exported method ServerConfig.Marshall should have comment or be unexported
server_java.go:113:6: exported type Server should have comment or be unexported
server_java.go:121:1: exported method Server.Start should have comment or be unexported
server_java.go:134:1: exported method Server.Stop should have comment or be unexported
structs.go:13:2: exported var ErrUnhandledFieldType should have comment or be unexported
structs.go:24:6: exported type ACL should have comment or be unexported
structs.go:30:6: exported type Stat should have comment or be unexported
structs.go:121:6: exported type PathVersionRequest should have comment or be unexported
structs.go:141:6: exported type CheckVersionRequest should have comment or be unexported
structs.go:160:6: exported type CreateRequest should have comment or be unexported
structs.go:168:6: exported type DeleteRequest should have comment or be unexported
structs.go:225:6: exported type SetDataRequest should have comment or be unexported
util.go:27:1: exported function DigestACL should have comment or be unexported

[linsite]

I'd like to help with it, but I can't find the comment in java at the specific page, would you point it out?