Change graphics of the portal.
Change visibility of constructors to public.
Rename file to be specific about its interface contents.
Fix the way mouse coordinates are calculated.
Create new Interactable; a chest that contains items and the interface to accompany it.
Create Item class. Place holder at the moment.
Add configurable keys for movement and interaction.
Remove setters for x and y coordinates and replace with a single setCoordinates method.
Increase display size. Update code to use the new setCoordinates method. Change the size of the tile for the in game sign post.
Update code to use the new configurable keys.
Add new code to test Interactables. Set up template for loading Interactables from a file.