Lets the player set a name

Better comments

src/inf101/v18/rogue101/items/Backpack.java

@@ -114,11 +114,7 @@ public class Backpack<T extends IItem> implements IContainer {
 
     @Override
     public boolean isFull() {
-        if (content.size() >= MAX_SIZE) {
-            return true;
-        } else {
-            return false;
-        }
+        return content.size() >= MAX_SIZE;
     }
 
     //This shows as an error, but is necessary to compile.