Cleaned up WorldEditController.

src/com/sk89q/util/StringUtil.java

@@ -59,6 +59,18 @@ public class StringUtil {
         return buffer.toString();
     }
 
+    /**
+     * Join an array of strings into a string.
+     * 
+     * @param str
+     * @param delimiter
+     * @param initialIndex
+     * @return
+     */
+    public static String joinString(String[] str, String delimiter) {
+        return joinString(str, delimiter, 0);
+    }
+
     /**
      * Join an array of strings into a string.
      *