date/time in "rl_history" log file

Project:lftp (project)
Component:Code
Category:feature request
Priority:normal
Assigned:Unassigned
Status:active
Project wiki:lftp
Description

It would be a great idea add the date and time of each command in rl_history.

as requested by Simón :
http://www.mail-archive.com/lftp@uniyar.ac.ru/msg04031.html