Remove wrong note about missing string escaping.

String escaping during serialization is implemented and tested.

Author: de-vri-es

src/lib.rs

@@ -47,15 +47,13 @@
 //!   - `bool`
 //!   - Integers
 //!   - Floats
-//!   - `str` (\*\*)
+//!   - `str`
 //!   - `Option`
 //!   - Arrays
 //!   - Tuples
 //!   - Structs
 //!   - C like enums
 //!
-//! (\*\*) Serialization of strings doesn't escape stuff. This simply has not been implemented yet.
-//!
 //! # Planned features
 //!
 //! - (De)serialization from / into IO objects once `core::io::{Read,Write}` becomes a thing.