Continued:

- updated 'core' framework

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

diff --git a/core b/core
index a5f4ff71b33335bd7386413fba0e1f1f5bdb2108..7ffdc10bef06624ca2c6cf58e1109f880bbbf13e 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit a5f4ff71b33335bd7386413fba0e1f1f5bdb2108
+Subproject commit 7ffdc10bef06624ca2c6cf58e1109f880bbbf13e