Auto merge of #686 - emilio:bump, r=fitzgen

Breaking version bump.

After all the huge work @fitzgen has been doing diagnosing stylo issues, we seem ready to try again!

Also, a lot of issues have been fixed lately.
diff --git a/Cargo.lock b/Cargo.lock
index 6ca389f..3a1d021 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 [root]
 name = "bindgen"
-version = "0.23.1"
+version = "0.24.0"
 dependencies = [
  "aster 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 8b4ccf4..5dd3c9e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 readme = "README.md"
 repository = "https://github.com/servo/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
-version = "0.23.1"
+version = "0.24.0"
 build = "build.rs"
 
 exclude = [