More work

src/lib.rs

@@ -1,12 +1,20 @@
 #![allow(warnings)]
 
 extern crate futures;
+
 #[macro_use]
 extern crate tokio_io;
+
 extern crate tokio_timer;
+
+// HTTP types
+extern crate tower;
+
+// Buffer utilities
 extern crate bytes;
 
 pub mod error;
+pub mod hpack;
 pub mod proto;
 pub mod frame;