Continued:

- updated core framework

Signed-off-by: Roland Häder <roland@mxchange.org>

diff --git a/core b/core
index a1dfd448376c05e2a5ee2af1538c2e38f42983e4..690d7f053ed4420a1aff4387be75d8ae75155bdf 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit a1dfd448376c05e2a5ee2af1538c2e38f42983e4
+Subproject commit 690d7f053ed4420a1aff4387be75d8ae75155bdf