Adds the even to round
Check of the round has no events
Get the event a the node_id
Counts the number of events which has been set in this round
All the events in the first ooccurrences of this round
Range from this round and down
Previous round from this round
Remove the event from the round
The rounder takes care of cleaning up old round and keeps track of if an round has been decided or can be decided
Mark if a node has been connected in this round
Handles the round information for the events in the Hashgraph