diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -1,12 +1,13 @@
 8401b998f40be1e93d05b5c4db61ba98932c3de3 v0.2
 c74b035788ebbcade6bfae22963632f4c5f49540 v0.3
 5ee6481afb63f32dcfeaf93a72c07c4bc2a1a993 v0.4
 5ee6481afb63f32dcfeaf93a72c07c4bc2a1a993 v0.4
 f9eb8e6e4b4f2bcb521554bc513cc94d9ccf6fbd v0.4
 df3dc7358b79abdd7075ba78b58fff1da7fa3fde to
 df3dc7358b79abdd7075ba78b58fff1da7fa3fde 0.5
 df3dc7358b79abdd7075ba78b58fff1da7fa3fde to
 0000000000000000000000000000000000000000 to
 df3dc7358b79abdd7075ba78b58fff1da7fa3fde 0.5
 0000000000000000000000000000000000000000 0.5
 845b75d72ec18f3fbf2a74f1a1ec3cf54ca4a304 v0.7
+599b774a4b6ac81b44971ac1a319fc41c04e3589 v2.3