A simple class that handles failover ip address routing @Hetzner
failover = HetznerFailover('10.10.10.10', 'someuser', 'secret')`
failover.getActiveServer()
failover.setActiveServer('10.88.77.66')
returns nothing
requires no argument
returns the ip of the server to which the failover ip is currently routed
requires ip of the new routing target
asks the api to change routing
returns True on success, otherwise False