Update #31

The updates:

• Switched game buttons, now A - confirms/attacks, B - cancels, run.
• Added a bunch of new sound effects, most of them are in menus.
• PAL sound effects now are played correctly.
• Every creature species has their own velocity.
• Changed colors for the mines/caves, the alien base, and indoor maps.
• A little game title animation.
• Fixed a lot of bugs.
• Improved the looks of some maps.
• Jam is no more, it turned into a health potion.
• Added a new mushroom species.
• Running will earn you some warmth points.
• Spiders now sometimes will drop rope, while the slimes might drop a health potion.
• Some other insignificant changes I forgot :-)