Changes all around - objects and GC

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/main.rs

@@ -1,5 +1,5 @@
 #![allow(dead_code)]
-#![feature(new_uninit)]
+#![feature(unsize, coerce_unsized, new_uninit)]
 
 mod compile;
 mod syn;