breathe existence into 3.1.3
diff --git a/.hgtags b/.hgtags
index 06e2095..2bd1450 100644
--- a/.hgtags
+++ b/.hgtags
@@ -84,3 +84,4 @@
 149b8b87514d10416b598884db5f74651f625b38 v3.1.2rc1
 960efa327c5d9c18df995437b0ac550cb89c9f85 v3.1.2
 d18e9d71f369d8211f6ac87252c6d3211f9bd09f v3.1.3rc1
+a4f75773c0060cee38b0bb651a7aba6f56b0e996 v3.1.3