Update library

diff --git a/rpp-lib b/rpp-lib
index 2f6cf878daadddebb009ecb7286574f4fff7a15a..84387148f18f67f1c9509ec7537c761a4e4a5b55 160000 (submodule)
--- a/rpp-lib
+++ b/rpp-lib
@@ -1 +1 @@
-Subproject commit 2f6cf878daadddebb009ecb7286574f4fff7a15a
+Subproject commit 84387148f18f67f1c9509ec7537c761a4e4a5b55