Version 0.4.0

Added

• A whole new layout implemented using React.JS
• Instant boot support using the GameBoy.boot() method
• Support for pending cycles in web version

Changed

• Improved drawing speed at the SDL example
• Better handling of panic!() in web version

Fixed

• Issue related to STAT interrupt and H-Blank
• Issue related to overflow in sprite drawing
• Issue related to the RAM bank selection in some of the MBCs