Document BINARY type support in changelog

Author: MarcManiez

CHANGELOG.md

@@ -4,6 +4,12 @@ All user visible changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/), as described
 for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/text/1105-api-evolution.md)
 
+## Unreleased
+
+### Added
+
+* The `BINARY` column type name is now supported for SQLite.
+
 ## [1.0.0-rc1] - 2017-12-23
 
 ### Fixed