More Halloween updates!

Fixed bugs with pickups on the second level
Added pumpkins and candies
Added new achievements
Added more Halloween stuff:
- Collect 20 pumpkins to blast off Minotaur's head to obtain "Justice" achievement by more easy way!
- Eat 20 candies and Halloween spirit gonna increase your powers! But be afraid of the skeletons, they are gonna be more powerful too.
- Added long awaited thing that a lot of people wished about and achievement to it.
- Collect 100 pumpkins and 100 candies and obtain special achievements!