Added tag 4.0 for changeset 018c38468422

.hgtags

@@ -42,3 +42,4 @@ d3876aa792923f9a95f7ad0c7f0134533404df35 3.2.2
 baee494346e520f8dee2cee9491b8350064770d2 3.7
 2ea201354cf016407ea93e1e390d1422940d29b0 3.8
 55478328b2422c700c5404a774c85e77322f41a3 3.9
+018c3846842291cb6c009dc087e7fe2f0ef53bea 4.0