v3.4

• Use "let" instead of "var" to work with Node-Red 2.2

v3.3

• Fix "Messy graphic" in the first startup (#3)
• Align the time zone settings used in the nodes (#13)
• Fix a minor countdown bug

v3.2

• Fix "change state" in countdown

v3.1

• Fix countdown_followed_by

v3.0

• Improve the user interface
• Add Countdown mode
• Add Manual mode
• Add Chart
• Implement 0.1 degree steps in the NEST style thermostat

First release

v1.0

Update README.md