-Added joystick support.

-Added alternative keyboard layout.

-Control system can now take inputs from keyboard and gamepad simultaneously.

-Changed menu font.

-Changed "Options" to "Options & Controls."

-Changing the volume in options immediately adjusts it automatically.

-Added explanation for controls in options.

-Indicator now needs to be on the difficulty option before changing it.

-Reworked player shooting function.

-Sword shot now shoots continuously.

-Made stage 1 boss's second attack more predictable.