Bump version to v0.4.7

CHANGELOG.md

+# 0.4.7 (April 27, 2018)
+
+* Make `Buf` and `BufMut` usable as trait objects (#186).
+* impl BorrowMut for BytesMut (#185).
+* Improve accessor performance (#195).
+
 # 0.4.6 (Janary 8, 2018)
 
 * Implement FromIterator for Bytes/BytesMut (#148).

Cargo.toml

 [package]
 
 name          = "bytes"
-version       = "0.4.6" # don't forget to update html_root_url
+version       = "0.4.7" # don't forget to update html_root_url
 license       = "MIT/Apache-2.0"
 authors       = ["Carl Lerche <me@carllerche.com>"]
 description   = "Types and traits for working with bytes"

src/lib.rs

@@ -69,7 +69,7 @@
 //! and `BufMut` are infallible.
 
 #![deny(warnings, missing_docs, missing_debug_implementations)]
-#![doc(html_root_url = "https://docs.rs/bytes/0.4.6")]
+#![doc(html_root_url = "https://docs.rs/bytes/0.4.7")]
 
 extern crate byteorder;
 extern crate iovec;