* DONE - bug: after restart index_rd.php receive from prev clients a lot of req
* DONE - index_wr.php::chat
* DONE - index_wr.php::exit
* DONE - index_rd.php porting
* DONE - generic var management from internet
* DONE - index.php auth part
* DONE - bug: after restart index_rd.php receive from prev clients a lot of req
* DONE - index_wr.php::chat
* DONE - index_wr.php::exit
* DONE - index_rd.php porting
* DONE - generic var management from internet
* DONE - index.php auth part