- only execute the fermentation hysteresis logic if both actual and target temp are available
- surround everything by a try/except block to catch issues and to notify the user that Fermentation logic is not working

swapped .PropertyNumber("Cooler Offset ON", True, 0) on lines 11 and 12.  On should match with min and Off should match with max on lines 32 and 35

-fix fermenter hysteresis

- Kettle Controller Fix
- Remove SQL Alchemie