diff -r 81d22971b333 -r 5617a61bc790 .hgtags
--- a/.hgtags	Mon Dec 09 11:32:04 2019 +0100
+++ b/.hgtags	Mon Dec 09 11:32:18 2019 +0100
@@ -1,3 +1,4 @@
 407d5a626a5068aacf97dbd87f714f94149e0fc6 0.1
 5301eb6ce6e2f285571571988e570ccc666680f5 0.2
 170e0b52c45121cff21a80992fcc52827d95e9cf 0.3
+81d22971b33367cafc60aeeeeae55088440b93d9 0.4