202 bug allows null height and weight values after going one page back#206

JEdits20 wants to merge 4 commits intosimonoppowa:mainsimonoppowa/OpenNutriTracker:mainfrom

JEdits20:202-Bug-Allows-Null-Height-and-Weight-Values-After-Going-one-Page-BackJEdits20/OpenNutriTracker:202-Bug-Allows-Null-Height-and-Weight-Values-After-Going-one-Page-BackCopy head branch name to clipboard