prepare v0.6.0 release (#440)

Author: carllerche

CHANGELOG.md

@@ -1,6 +1,18 @@
-# 0.6.0 (unreleased)
+# 0.6.0 (October 21, 2020)
 
+API polish in preparation for a 1.0 release.
 
+### Changed
+- `BufMut` is now an `unsafe` trait (#432).
+- `BufMut::bytes_mut()` returns `&mut UninitSlice`, a type owned by `bytes` to
+  avoid undefined behavior (#433).
+- `Buf::copy_to_bytes(len)` replaces `Buf::into_bytes()` (#439).
+- `Buf`/`BufMut` utility methods are moved onto the trait and `*Ext` traits are
+  removed (#431).
+
+### Removed
+- `BufMut::bytes_vectored_mut()` (#430).
+- `new` methods on combinator types (#434).
 
 # 0.5.6 (July 13, 2020)
 

Cargo.toml

@@ -19,7 +19,6 @@ readme = "README.md"
 keywords = ["buffers", "zero-copy", "io"]
 categories = ["network-programming", "data-structures"]
 edition = "2018"
-publish = false
 
 [features]
 default = ["std"]