This function gets your IP from a specific server.

This function gets your IP from a random server

Function to return the current, external, IP address

Function to get the old ip address from savefile

Function to print out the help message

Function to read a config file with email information

Function to send an email with the new IP address

Function to update the old ip address from savefile

This functions tests the consistency of the servers on the list when retrieving your IP. All results should be the same.