Calculates sequential cheapest hours for the next day using Nordpool automation
** Old (simple) version **
Full setup guide and introduction at https://www.creatingsmarthome.com/?p=1211
** New (advanced) version with local calendar support **
Full setup guide and introduction at https://www.creatingsmarthome.com/?p=1620
** Cheap hours by price with local calendar support **
Full setup guide and introduction at https://www.creatingsmarthome.com/?p=2182
** Non-sequential advanced cheapest hours with local calendar support **
Full setup guide and introduction at https://www.creatingsmarthome.com/?p=2543
