Continued:

- updated core framework

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

diff --git a/core b/core
index 645d7022e1e74573bd7511fb98ae3ac4e341464e..c15d02389e67a880e7b4c6b19f2b06722efa4e6f 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 645d7022e1e74573bd7511fb98ae3ac4e341464e
+Subproject commit c15d02389e67a880e7b4c6b19f2b06722efa4e6f