Preserve order change.

src/main/java/com/songoda/ultimatekits/UltimateKits.java

@@ -455,6 +455,12 @@ public class UltimateKits extends SongodaPlugin {
     public void saveKits(boolean force) {
         if (!loaded && !force) return;
 
+        // If we're changing the order the file needs to be wiped.
+        if (kitManager.hasOrderChanged()) {
+            kitConfig.clearConfig(true);
+            kitManager.savedOrderChange();
+        }
+
         // Hot fix for kit file resets.
         if (kitConfig.contains("Kits"))
             for (String kitName : kitConfig.getConfigurationSection("Kits").getKeys(false)) {

src/main/java/com/songoda/ultimatekits/kit/KitManager.java

@@ -14,6 +14,7 @@ public final class KitManager {
 
     private final Map<Location, KitBlockData> kitsAtLocations = new HashMap<>();
     private final List<Kit> registeredKits = new LinkedList<>();
+    private boolean hasOrderChanged = false;
 
     public Kit addKit(Kit kit) {
         if (kit == null) return null;
@@ -109,6 +110,14 @@ public final class KitManager {
 
         if (action >= 0 && action < registeredKits.size())
             Collections.swap(registeredKits, i, action);
+        hasOrderChanged = true;
+    }
 
+    public boolean hasOrderChanged() {
+        return hasOrderChanged;
+    }
+
+    public void savedOrderChange() {
+        hasOrderChanged = false;
     }
 }