From e9354383d9dcd5d7fc9fd8539b3ef37b3e6a8645 Mon Sep 17 00:00:00 2001
From: Ryan Leckey <leckey.ryan@gmail.com>
Date: Mon, 2 Jul 2018 15:41:14 -0700
Subject: Update readme/changelog for 0.9

---
 CHANGELOG.md | 20 ++++++++++++++++++++
 README.md    |  2 +-
 src/env.rs   |  4 ++--
 tests/env.rs |  3 +--
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fc38aa..889a965 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,26 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 0.9.0 - 2018-07-02
+ - **Breaking Change:** Environment does not declare a separator by default.
+    ```rust
+    // 0.8.0
+    Environment::with_prefix("APP")
+
+    // 0.9.0
+    Environment::with_prefix("APP").separator("_")
+    ```
+
+ - Add support for INI. [#72]
+ - Add support for newtype structs. [#71]
+ - Fix bug with array set by path. [#69]
+ - Update to nom 4. [#63]
+
+[#72]: https://github.com/mehcode/config-rs/pull/72
+[#71]: https://github.com/mehcode/config-rs/pull/71
+[#69]: https://github.com/mehcode/config-rs/pull/69
+[#63]: https://github.com/mehcode/config-rs/pull/63
+
 ## 0.8.0 - 2018-01-26
  - Update lazy_static and yaml_rust
 
diff --git a/README.md b/README.md
index b77daa9..31a9676 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 
 ```toml
 [dependencies]
-config = "0.8"
+config = "0.9"
 ```
 
  - `ini` - Adds support for reading INI files
diff --git a/src/env.rs b/src/env.rs
index 5beead5..51e91a9 100644
--- a/src/env.rs
+++ b/src/env.rs
@@ -33,12 +33,12 @@ impl Environment {
         }
     }
 
-    pub fn prefix(&mut self, s: &str) -> &mut Self {
+    pub fn prefix(mut self, s: &str) -> Self {
         self.prefix = Some(s.into());
         self
     }
 
-    pub fn separator(&mut self, s: &str) -> &mut Self {
+    pub fn separator(mut self, s: &str) -> Self {
         self.separator = Some(s.into());
         self
     }
diff --git a/tests/env.rs b/tests/env.rs
index b204118..932d2fc 100644
--- a/tests/env.rs
+++ b/tests/env.rs
@@ -54,8 +54,7 @@ fn test_prefix_with_variant_forms_of_spelling() {
 fn test_separator_behavior() {
     env::set_var("C_B_A", "abc");
 
-    let mut environment = Environment::with_prefix("C");
-    environment.separator("_");
+    let mut environment = Environment::with_prefix("C").separator("_");
 
     assert!(environment.collect().unwrap().contains_key("b.a"));
 
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