Testing with fairness turned on for cache.

src/main/java/ca/recrown/islandsurvivalcraft/caching/Cache.java

@@ -9,7 +9,7 @@ public class Cache<K, V> {
     private final int maxSize;
     private final ConcurrentHashMap<K, CacheValue<K, V>> data;
     private final UsageStack<K, V> usage = new UsageStack<>();
-    private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+    private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
     private final WriteLock writeLock = lock.writeLock();
     private final ReadLock readLock = lock.readLock();