Variables and values can be 0, which evaluates to false. Fix to allow those.
Variables and values can be 0, which evaluates to false. Fix to allow those.

printedheart/simpleai,emoron/simpleai,iamaziz/simpleai,simpleai-team/simpleai,iamaziz/simpleai,printedheart/simpleai,matuu/simpleai,matuu/simpleai,emoron/simpleai,printedheart/simpleai,simpleai-team/simpleai,simpleai-team/simpleai,matuu/simpleai,emoron/simpleai,iamaziz/simpleai