Required params:
-server string
server host
-sereverport string
server port
Optional params:
-botsnum int
bots amount (default 100)
-cpar int
creation parallelism (default 25)
-ctsnum int
contacts amount (default 10)
-grmax int
maximum group members (default 20)
-grmin int
minimum group members (default 5)
-grnum int
groups amount (default 10)
-readeach int
read message each n seconds (default 3)
-sendeach int
send message each n seconds (default 5)