Prevented NullPointerException from happening when iterating over Player class.
Fixed NullPointerException in GUI class.
Merge branch 'master' of https://github.com/kokx/tue-2io23.git
Merge pull request #20 from maikelsteneker/master

Fixed NullPointerException.
Changed model so that creatures can only move when they're alive, changed GUI to stop moving the camera when a creature dies (even if it's following a part), changed minimap to not draw creatures that are dead and tried cleaning up the minimap code... but I'm not a wizard :)
Merge pull request #21 from maikelsteneker/master

Wat kleine bugfixes.
Fixed the double window issue
Revived old "main(String[])" function to former glory