Changed architecture (battle&save within main WORLD class) + tweaks

1. New cool history + cool images
2. Better audio quality + cool sounds/music
3. Smooth colored menu + animation
4. Smaller inputbox, better fonts
5. Brand-new HINT class for hints + some hints, hints management
6. Added version number (0.1)
7. Message class improved, new rpg font
8. Lots tweaks/fixes