Update core to fix PlSet orders

diff --git a/core b/core
index a797e4f..067a59f 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit a797e4f7daf5fbcc9b12f64c298e9aa4df0f0acc
+Subproject commit 067a59f4a5da39a1df635d67c4dab56b3f6d9478