Some polishing on the keyboard controls code
Some polishing on the keyboard controls code

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