Fixed an NPE that may occur with random chances on a player without loaded data

Also correct changelog version

Changelog.txt

@@ -1,9 +1,8 @@
-Version 2.1.101
-    mcnotify command now checks that it's being executed by a player
-    Fixed some concurrency concerns around BleedTasks
-
 Version 2.1.100
     Corrected some mistakes made in the updated Russian locale (thanks myfbone!)
+    mcnotify command now checks that it's being executed by a player
+    Fixed some concurrency concerns around BleedTasks
+    Fixed an NPE that may occur with random chances on a player without loaded data
 
 Version 2.1.99
     MASSIVE update to the Russian locale (ru) credit to myfbone

src/main/java/com/gmail/nossr50/util/random/RandomChanceSkill.java

@@ -1,6 +1,7 @@
 package com.gmail.nossr50.util.random;
 
 import com.gmail.nossr50.config.AdvancedConfig;
+import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.datatypes.skills.SubSkillType;
 import com.gmail.nossr50.util.Permissions;
@@ -21,10 +22,12 @@ public class RandomChanceSkill implements RandomChanceExecution {
         this.subSkillType = subSkillType;
         this.probabilityCap = RandomChanceUtil.LINEAR_CURVE_VAR;
 
-        if(player != null)
-            this.skillLevel = UserManager.getPlayer(player).getSkillLevel(primarySkillType);
-        else
+        final McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
+        if (player != null && mcMMOPlayer != null) {
+            this.skillLevel = mcMMOPlayer.getSkillLevel(primarySkillType);
+        } else {
             this.skillLevel = 0;
+        }
 
         if(player != null)
             isLucky = Permissions.lucky(player, primarySkillType);
@@ -42,10 +45,12 @@ public class RandomChanceSkill implements RandomChanceExecution {
         this.primarySkillType = subSkillType.getParentSkill();
         this.subSkillType = subSkillType;
 
-        if(player != null)
-            this.skillLevel = UserManager.getPlayer(player).getSkillLevel(primarySkillType);
-        else
+        final McMMOPlayer mcMMOPlayer = UserManager.getPlayer(player);
+        if (player != null && mcMMOPlayer != null) {
+            this.skillLevel = mcMMOPlayer.getSkillLevel(primarySkillType);
+        } else {
             this.skillLevel = 0;
+        }
 
         if(player != null)
             isLucky = Permissions.lucky(player, primarySkillType);