fix unable to attack mounts with no player on them

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.youhavetrouble</groupId>
     <artifactId>PreventStabby</artifactId>
-    <version>1.3-pre3</version>
+    <version>1.3-pre4</version>
     <packaging>jar</packaging>
 
     <name>PreventStabby</name>
@@ -74,8 +74,8 @@
             <url>https://oss.sonatype.org/content/groups/public/</url>
         </repository>
         <repository>
-            <id>jitpack.io</id>
-            <url>https://jitpack.io</url>
+            <id>bs-repo</id>
+            <url>https://ci.pluginwiki.us/plugin/repository/everything/</url>
         </repository>
         <repository>
             <id>sk89q-repo</id>
@@ -102,10 +102,9 @@
             <version>0.9.12</version>
         </dependency>
         <dependency>
-            <groupId>com.github.Thatsmusic99</groupId>
+            <groupId>com.github.thatsmusic99</groupId>
             <artifactId>ConfigurationMaster</artifactId>
-            <version>v1.0-RC-2</version>
-            <scope>compile</scope>
+            <version>v1.0.3</version>
         </dependency>
         <dependency>
             <groupId>org.bstats</groupId>

src/main/java/me/youhavetrouble/preventstabby/PreventStabby.java

@@ -22,9 +22,9 @@ public final class PreventStabby extends JavaPlugin {
 
     @Getter private static PreventStabby plugin;
     private ConfigCache configCache;
-    protected PlayerManager playerManager;
-    protected DatabaseSQLite sqLite;
-    protected SmartCache smartCache;
+    private PlayerManager playerManager;
+    private DatabaseSQLite sqLite;
+    private SmartCache smartCache;
 
     @Override
     public void onEnable() {

src/main/java/me/youhavetrouble/preventstabby/util/Util.java

@@ -52,7 +52,7 @@ public class Util {
                 playerPassengersWithPvpEnabled.add(player.getUniqueId());
         }
 
-        if (playerPassengersWithPvpEnabled.isEmpty()) {
+        if (!mount.getPassengers().isEmpty() && playerPassengersWithPvpEnabled.isEmpty()) {
             PluginMessages.sendActionBar(attacker, config.getCannot_attack_mounts_victim());
             return true;
         }