Tag new release with small API addition

Also, update bindgen version and format some of the comments and
documentation.

cargo test passes

CHANGELOG.md

@@ -3,6 +3,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.6.5] - 2017-07-07
+### Changed
+- Add `compare_images()` method to `MagickWand` type.
+- Update to latest release of `bindgen` library.
+
 ## [0.6.4] - 2017-04-08
 ### Changed
 - Actually set the version this time.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "magick_rust"
-version = "0.6.4"
+version = "0.6.5"
 authors = ["Nathan Fiedler <nathanfiedler@fastmail.fm>"]
 description = "Selection of Rust bindings for the ImageMagick library."
 homepage = "https://github.com/nlfiedler/magick-rust"
@@ -14,5 +14,5 @@ build = "build.rs"
 libc = ">=0.2"
 
 [build-dependencies]
-bindgen = "0.22.1"
+bindgen = "0.26.2"
 pkg-config = "0.3.9"

README.md

@@ -7,8 +7,10 @@ A somewhat safe Rust interface to the [ImageMagick](http://www.imagemagick.org/)
 * Rust (~latest release)
 * Cargo (~latest release)
 * ImageMagick (version 6.9)
-    - [Homebrew](http://brew.sh) and [FreeBSD](https://www.freebsd.org) provide this version
+    - [FreeBSD](https://www.freebsd.org) provides this version
-    - Homebrew: `brew install imagemagick@6` followed by `brew link --force imagemagick@6`
+    - [Homebrew](http://brew.sh) requires special steps:
+        + `brew install imagemagick@6`
+        + `brew link --force imagemagick@6`
     - Linux may require building ImageMagick from source
 * Clang (version 3.5 or higher)
     - Or whatever version is dictated by [rust-bindgen](https://github.com/servo/rust-bindgen)

build.rs

@@ -34,8 +34,8 @@ fn main() {
         .arg(format!("--max-version={}", MAX_VERSION))
         .probe("MagickWand")
         .unwrap();
-    // We have to split the version check and the cflags/libs check because you can't do both at
+    // We have to split the version check and the cflags/libs check because
-    // the same time on RHEL (apparently).
+    // you can't do both at the same time on RHEL (apparently).
     let library = pkg_config::Config::new().probe("MagickWand").unwrap();
 
     // If the generated bindings are missing, generate them now.
@@ -50,7 +50,6 @@ fn main() {
 
         // Geneate the bindings.
         let mut builder = bindgen::Builder::default()
-            .no_unstable_rust()
             .emit_builtins()
             .ctypes_prefix("libc")
             .raw_line("extern crate libc;")

docs/Development_Setup.md

@@ -14,6 +14,7 @@ $ xcode-select --install
 $ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 $ brew install rust
 $ brew install imagemagick@6
+$ brew link --force imagemagick@6
 $ brew install pkg-config
 ```