--- a/.hgtags	Fri May 06 00:18:24 2016 +0200
+++ b/.hgtags	Fri May 06 00:22:24 2016 +0200
@@ -39,3 +39,4 @@
 44a9dcb3fefcf8281ebe4e359e7dbb637512cf7f 5.2.0
 c15d6168412f175568dac89e6ee1cd8434fef906 5.2.1
 bd59cc2ee2039c370a0343f683488cde2a106565 5.3.0
+b21ce82e6f7640c2b38506545968650227d67e9b 5.4.0