Added printscreen to CheckKeyCodes.
Added printscreen to CheckKeyCodes.

hristoterezov/robotjs,BHamrick1/robotjs,hristoterezov/robotjs,BHamrick1/robotjs,octalmage/robotjs,hristoterezov/robotjs,octalmage/robotjs,BHamrick1/robotjs,hristoterezov/robotjs,BHamrick1/robotjs,octalmage/robotjs,octalmage/robotjs