apparently abstract classes aren't interfaces. who knew?
so I let this repo go a little bit too much. Basically, I moved some packages, added an image for upcoming image tests, and made it so that the player can't move outside the frame
added the WorldCells to the actual game. currently they do nothing
I decided to change the game.
made a key configuration to hold all of the information about the keyboard.
made a circle move in a circular path around the center
updated the read me