"""
insert a node in our local table, pinging oldest contact in bucket, if necessary
- If all you have is a host/port, then use addContact, which calls this function after
+ If all you have is a host/port, then use addContact, which calls this method after
receiving the PONG from the remote node. The reason for the seperation is we can't insert
a node into the table without it's peer-ID. That means of course the node passed into this
method needs to be a properly formed Node object with a valid ID.