mStream must be static.
Area: added method to get a LinkedList of all tiles.
Created a damage infliction / HP system.

Creatures and MapObjects have HP, Items are destroyed instantly.
Creatures regenerate HP over time.
Selected item can now be changed.
Changed some package names to plural.
Deleted needsToBeDrawn() from everywhere.

Because it's no longer used.
Made Player class final.
Made NonPlayer class abstract.
Added initial updateSpriteRotation().
updateSpritePosition() and updateSpriteRotation().
Bullet class.
Player drawing now happens in the Area class.
A fused bomb and a bomb item are now separate classes.
A fused bomb and a bomb item are now separate classes.
gradle