From 57572def57d240628bff7a2f95580500a5f7464b Mon Sep 17 00:00:00 2001
From: Andrew Short <andrewjshort@gmail.com>
Date: Thu, 10 Jan 2013 22:26:14 +1100
Subject: [PATCH] Clone lists for 3.0 compatibility. Closes #1.

---
 code/GridFieldOrderableRows.php | 1 +
 composer.json                   | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/code/GridFieldOrderableRows.php b/code/GridFieldOrderableRows.php
index c4845bd..9a4d0cc 100644
--- a/code/GridFieldOrderableRows.php
+++ b/code/GridFieldOrderableRows.php
@@ -244,6 +244,7 @@ class GridFieldOrderableRows extends RequestHandler implements
 	}
 
 	protected function populateSortValues(DataList $list) {
+		$list   = clone $list;
 		$field  = $this->getSortField();
 		$table  = $this->getSortTable($list);
 		$clause = $this->getSortTableClauseForIds($list, 0);
diff --git a/composer.json b/composer.json
index 9a8b564..c658178 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,6 @@
 		}
 	],
 	"require": {
-		"silverstripe/framework": ">=3.1"
+		"silverstripe/framework": "3.*
 	}
 }