* Accurately implement height/weight calc
* Handle GUI reads
Having Auto off will read and write the values correctly
F6 will handle all the decimal points possible
* Remove no longer needed tolerance check
Closes#3390
Remove focus from pending edits to the NumericUpDown, and only set scalars if not loading. Fixes switching between entries with pending NUD value changes.
Handle all warnings
obviously the usage of null! could potentially be avoided if the object init wasn't such garbage, but here we are with years of old junk and lack of abstraction in the GUI project
