:art: Improve minifier and strings

diff --git a/ast b/ast
index 31013cf6569192a44471010e78a468533d3b3d0d..91ffc954f9495c35a87e773bf479c52a1e8f774d 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit 31013cf6569192a44471010e78a468533d3b3d0d
+Subproject commit 91ffc954f9495c35a87e773bf479c52a1e8f774d

diff --git a/fmt b/fmt
index fea86b6235c045968ea45f0a299d3cba5a425dcb..e8033229e01b1e08b4e293ff80655e4557753a74 160000 (submodule)
--- a/fmt
+++ b/fmt
@@ -1 +1 @@
-Subproject commit fea86b6235c045968ea45f0a299d3cba5a425dcb
+Subproject commit e8033229e01b1e08b4e293ff80655e4557753a74