update submodule pointers

diff --git a/compiler/hetmet b/compiler/hetmet
index a6a8805..489b12c 160000 (submodule)
--- a/compiler/hetmet
+++ b/compiler/hetmet
@@ -1 +1 @@
-Subproject commit a6a8805b5fe9837579d03777abccf1b5b731c02c
+Subproject commit 489b12c6c491b96c37839610d33fbdf666ee527f

diff --git a/libraries/base b/libraries/base
index 3feb1f3..e1c3c65 160000 (submodule)
--- a/libraries/base
+++ b/libraries/base
@@ -1 +1 @@
-Subproject commit 3feb1f34df467291e1e0a118db86e680b37fef96
+Subproject commit e1c3c654a759a96547240d0f85e29515b08b57db