Update core

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>

diff --git a/core b/core
index d0d7d4a..023024e 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit d0d7d4ade7384d76d6532dcb53d165555e15c1df
+Subproject commit 023024ebd592cc89ab1ded64766ad5246b7c054c