Update Libft for structs and easier parsing

The rbtree and dictionary are new struct I want to use here. Also the
deep access of parse tree will make parsing more ergonomic and readable.

diff --git a/Libft b/Libft
index 85f202f2f76c0339d9e0b5b98b566e832a5b2e76..0979f68bcea12114d574c81ee051178a41d0e053 160000 (submodule)
--- a/Libft
+++ b/Libft
@@ -1 +1 @@
-Subproject commit 85f202f2f76c0339d9e0b5b98b566e832a5b2e76
+Subproject commit 0979f68bcea12114d574c81ee051178a41d0e053