New 'core'.

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

diff --git a/core b/core
index 6e9f737ce5f06521062b858c32ff1175cf51f4c1..80d808f788a6b4712bc7a33abcfcc8bb432cbdf9 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 6e9f737ce5f06521062b858c32ff1175cf51f4c1
+Subproject commit 80d808f788a6b4712bc7a33abcfcc8bb432cbdf9