Update core

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

diff --git a/core b/core
index 663c7f8..e49b22c 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 663c7f8e9bdc2d3d3f36ad25a63e62913f3b25ce
+Subproject commit e49b22c0de68ab13d41c9e2160584fe8964cff46