Version 0.8.0 released

Improvements on Arduboy source code generation:

Version 0.8.0 (this one):

• Exits implemented;
• Corrected a few bugs related to PROGMEM.

Version 0.7.0:

• Take into consideration whether a backgroud tile is solid or not when checking for collision;
• Tile animation is now working;
• Dialog strings are now stored on flash memory.

Version 0.6.0:

• Player now collides with the background;
• Player can interact with sprites;
• Only very simple dialogs are supported; no variables, nor conditionals.

Version 0.5.0:

• Player can now move around;
• Vertical scrolling implemented.

Version 0.6.0:

• Display sprites on Arduboy;
• Use the Arduboy2 library.