Mini Monster Drawing

A simple drawing program. 

Controls:
 - 1, 2, 3, 4, 5, & 6 change the pen color.
 - J puts the pen down and K raises it.
 - Arrow keys move the sprite.
 - C resets the program.
 - F fills.
 - U hides the sprite and I shows it.
 - + and - change the pen size.
 - Spacebar draws a circle.