Continued:

- updated 'core' framework

diff --git a/core b/core
index cef490aa082a79da16d3dd2b1951dd993c9eda08..ad17ce1c5fe13f2290e74bec676f23e65c2e9100 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit cef490aa082a79da16d3dd2b1951dd993c9eda08
+Subproject commit ad17ce1c5fe13f2290e74bec676f23e65c2e9100