copy goken13 server to goken14
add Server type
move package
rename Run to Listen
add client
use Client
add client.ReadLoop()
use ReadString() instead ReadLine()
update debug log
replace net.Conn to client.Conn
add server.clients
remove comments
add client.Write()
add server.BroadCast()
add client.WriteLoop()
pending
fixup
up
add goken14 kadai
up