xpratemultiplier fix

src/main/java/com/gmail/nossr50/commands/XprateCommand.java

@@ -50,7 +50,7 @@ public class XprateCommand implements TabExecutor {
                     mcMMO.p.toggleXpEventEnabled();
                 }
 
-                ExperienceConfig.getInstance().setExperienceGainsGlobalMultiplier(ORIGINAL_XP_RATE);
+                ExperienceConfig.getInstance().setGlobalXPMultiplier(ORIGINAL_XP_RATE);
                 return true;
 
             case 2:
@@ -81,7 +81,7 @@ public class XprateCommand implements TabExecutor {
                     return true;
                 }
 
-                ExperienceConfig.getInstance().setExperienceGainsGlobalMultiplier(newXpRate);
+                ExperienceConfig.getInstance().setGlobalXPMultiplier(newXpRate);
 
                 if (mcMMO.p.isXPEventEnabled()) {
                     if(AdvancedConfig.getInstance().useTitlesForXPEvent())

src/main/java/com/gmail/nossr50/config/experience/ExperienceConfig.java

@@ -253,6 +253,11 @@ public class ExperienceConfig extends ConfigValidated {
         return getDoubleValue(EXPERIENCE_FORMULA, MULTIPLIER, GLOBAL);
     }
 
+    public void setGlobalXPMultiplier(double newXpMultiplier)
+    {
+        getUserRootNode().getNode(EXPERIENCE_FORMULA, MULTIPLIER, GLOBAL).setValue(newXpMultiplier);
+    }
+
     //TODO: Rewrite this
     /*public void setExperienceGainsGlobalMultiplier(double value) {
         config.set(EXPERIENCE_FORMULA, MULTIPLIER, GLOBAL, value);