add comments

api/replay/cli.go

@@ -16,11 +16,15 @@ type Cli struct {
 	*api.ApiCli
 }
 
+//Log saves log to database after populated
 func (c *Cli) Log(l *types.Log) error {
 	l.Alias = c.ReplayEnvAlias()
 	l.Dtlogend = time.Now()
 	return c.HttpCli().JsonPost("/api/v1/log/add", l, nil)
 }
+
+//NewLog creates a new log instance in the client, capable of collecting data in memory for later saving it to the
+//database by calling Log
 func (c *Cli) NewLog() *types.Log {
 	ret := &types.Log{}
 	ret.Alias = c.ReplayEnvAlias()