Update core

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

diff --git a/core b/core
index 382dd05..798c1f4 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 382dd059ba9f09d9d7867c8fac45e58404bb4b33
+Subproject commit 798c1f4b15f14569c1f37d848db93ec4f65518b6