Require latest stringi

hadley · hadley · commit a88a92ad1c69 · 2015-01-08T14:03:37.000-06:00
Closes #51
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -14,7 +14,7 @@ License: GPL-2
 Depends:
     R (>= 2.14)
 Imports:
-    stringi,
+    stringi (>= 0.4.1),
     magrittr
 Suggests:
     testthat,
