Finished adding items

Here's the list of items in the game:

• The star is the most common item and is worth 10 points.
• The apple is 20 points.
• The pear is 30 points.
• The grape is 50 points.
• The melon is the best fruit and scores 100 points.
• Picking up the ring makes pacaman faster and able to eat ghosts.
• The heart gives +1 life.
• The clock adds 30 seconds more to finish the level.
• Use the teleport to escape from ghosts.
• You need to collect all the keys to open the lift door.
• You can go to the next level by stepping onto the open door.