Add New api methods, Write location format better

Closes #411

src/main/java/com/onarandombox/MultiverseCore/MVWorld.java

@@ -628,6 +628,14 @@ public class MVWorld implements MultiverseWorld {
         return this.name;
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String getPermissibleName() {
+        return this.name.toLowerCase();
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java

@@ -64,7 +64,7 @@ import java.util.logging.Logger;
  * The implementation of the Multiverse-{@link Core}.
  */
 public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
-    private static final int PROTOCOL = 11;
+    private static final int PROTOCOL = 12;
     // Global Multiverse config variable, states whether or not
     // Multiverse should stop other plugins from teleporting players
     // to worlds.

src/main/java/com/onarandombox/MultiverseCore/api/MultiverseWorld.java

@@ -145,6 +145,18 @@ public interface MultiverseWorld {
      */
     String getName();
 
+    /**
+     * Gets the lowercased name of the world. This method is required, since the permissables
+     * lowercase all permissions when recalculating.
+     * <p>
+     * Note: This also means if a user has worlds named: world and WORLD, that they can both
+     * exist, and both be teleported to independently, but their permissions **cannot** be
+     * uniqueified at this time. See bug report #.
+     *
+     * @return The lowercased name of the world.
+     */
+    String getPermissibleName();
+
     /**
      * Gets the alias of this world.
      * <p>

src/main/java/com/onarandombox/MultiverseCore/utils/LocationManipulation.java

@@ -17,6 +17,7 @@ import org.bukkit.util.Vector;
 import java.text.DecimalFormat;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -57,7 +58,10 @@ public class LocationManipulation {
         if (location == null) {
             return "";
         }
-        return String.format("%s:%.2f,%.2f,%.2f:%.2f:%.2f", location.getWorld().getName(),
+        // We set the locale to ENGLISH here so we always save with the format:
+        // world:1.2,5.4,3.6:1.8:21.3
+        // Otherwise we blow up when parsing!
+        return String.format(Locale.ENGLISH, "%s:%.2f,%.2f,%.2f:%.2f:%.2f", location.getWorld().getName(),
                 location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
     }