Fixing naming issues and imports after !8

src/game/Game.java

@@ -3,7 +3,7 @@ package game;
 import java.util.Random;
 
 import player.Player;
-import player.MaurizioAI;
+import player.maurizio.MaurizioAI;
 
 /**
  * Represents a game of Connect Four.

src/game/Main.java

@@ -1,8 +1,8 @@
 package game;
 
 import player.Player;
-import player.MaurizioAI;
-import player.MalteAI;
+import player.maurizio.MaurizioAI;
+import player.malte.MalteAI;
 
 public class Main {
 

src/player/malte/MalteAI.java

@@ -5,6 +5,8 @@ import java.util.Set;
 import java.util.HashSet;
 import java.util.Arrays;
 
+import player.Player;
+
 public class MalteAI implements Player{
 
     private String name;
@@ -42,6 +44,7 @@ public class MalteAI implements Player{
                                          new Item(-1, 0, id),
                                          new Item(-2, 0, id),
                                          new Item(-3, 0, id));
+        return null;
     }
 
     private Set<Integer> copySet(Set<Integer> s) {

src/player/maurizio/MaurizioAI.java

@@ -1,7 +1,9 @@
-package player;
+package player.maurizio;
 
 import java.util.Random;
 
+import player.Player;
+
 public class MaurizioAI implements Player {
 
     private String name;