Changes int() on mashin and boilsteps to a float() value to check if the Target Temp is reached.  This allows decimals value to not error out in the log.

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

- Import BeerXML
- Import REST API
- Migration DB
- Set Default Screen after Start
- Cleanup

Fixes bug caused introduced when adding the offset (temps only reading 0)

-Brew Steps added
-Clean AddOn Dialog

Correct datatypes for def F automode to work

- Kettle Controller Fix
- Remove SQL Alchemie

Closes https://github.com/Manuel83/craftbeerpi3/issues/7