Fix one thing

src/de/steamwar/command/TabCompletionCache.java

@@ -35,7 +35,7 @@ public class TabCompletionCache {
         TabCompletions tabCompletions = tabCompletionCache.computeIfAbsent(key, ignore -> {
             return new TabCompletions(command, System.currentTimeMillis(), tabCompleteSupplier.get());
         });
-        if (tabCompletions.command != command) {
+        if (tabCompletions.command != command || System.currentTimeMillis() - tabCompletions.timestamp > cacheDuration.get(typeMapper)) {
             tabCompletions = new TabCompletions(command, System.currentTimeMillis(), tabCompleteSupplier.get());
             tabCompletionCache.put(key, tabCompletions);
         }