Fixed issue #122 - ruri_string() in subdirs.
diff --git a/system/core/URI.php b/system/core/URI.php
index 48bb7ae..17300df 100755
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -641,10 +641,10 @@
 	 */
 	public function ruri_string()
 	{
-		return '/'.implode('/', $this->rsegment_array());
+		return implode('/', $this->rsegment_array());
 	}
 
 }
 
 /* End of file URI.php */
-/* Location: ./system/core/URI.php */
+/* Location: ./system/core/URI.php */
\ No newline at end of file