update submodule pointers

diff --git a/compiler/hetmet b/compiler/hetmet
index a6a8805..6e1e4b6 160000 (submodule)
--- a/compiler/hetmet
+++ b/compiler/hetmet
@@ -1 +1 @@
-Subproject commit a6a8805b5fe9837579d03777abccf1b5b731c02c
+Subproject commit 6e1e4b67d01a6447f7dd44f7b5450ddc400000d9

diff --git a/libraries/base b/libraries/base
index 3feb1f3..2f19a0d 160000 (submodule)
--- a/libraries/base
+++ b/libraries/base
@@ -1 +1 @@
-Subproject commit 3feb1f34df467291e1e0a118db86e680b37fef96
+Subproject commit 2f19a0d6802593c9f5faae357aa5363eaf354aa3