Corrected a logfile issue (2).

An unload() was missing in the case of a '/we reload' command.

src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -119,6 +119,7 @@ public class WorldEditPlugin extends JavaPlugin {
      */
     protected void loadConfiguration() {
         getConfiguration().load();
+        config.unload();
         config.load();
         perms.load();
     }