Added ttl field to lsp header
Routers can send packets on all links
Added a routing table and logging for routing table
Routing table gets updated after receiving LSPs
Added time to table logging
Runs last router (F) in the foreground
Uses non-blocking sockets
Added some rules for debug scripts
Cleaned up the recv section (a little bit)
New file
Routers can accept input from stdin
Kill packet is send on all ports (but does not yet reach all routers)
Created sendall function
Routers know where kill packet comes from
All routers forward kill packet
Routers forward received packets
Fixed sequence number bug. Now all routers really do forward receiced packets.