love.math.randnormal should be renamed to
love.math.randomnormal, because it's consistent with the other
love.math.randomseed, and also it's pronounceable with English words, and it's only two more characters.
Also, is there a reason why MathModule.cpp/h has "Module" in the name and isn't named Math.cpp/h? If not, I propose that "Module" be removed from the names, for consistency with other file names.