Not released version (Road-map):

Make the heart rate icons flashing when a new HR reading is received

Release versions:

1.0.1 First released version on FitBit App Gallery
1.1.0 First major update
- Introduced third screen with big heart rate view
  - tap on LH screen side to toggle to previous screen
  - tap on RH screen side to toggle to next screen
  - progress bar on the lower edge that shows the current hr in relation to the zones
- Minor bug fixes and improvements
  - Battery info gets refreshed after charging is finished
  - Battery and heart rate get refreshed more reliably after screen switch and display on
  - small improvements under the hood
- Introduced settings to the clock face
  - enable / disable third screen with HR
  - choose date format for first screen
- Added compatibility with FitBit Ionic
- added translations for heart rate zones and date
  - german / english / french / italian / spanish
1.1.1 Bug fix battery symbol
- Charge level was correctly shown as text but not updated in icon
1.1.2 Bug fix day short description ES / IT
- Order of days was incorrect for spanish and italian translation
  - was shifted by one day
1.1.3 Added two further options for date formatting
- yyyy.m.d
- yyyy/m/d