Bump to `0.1.18`.

Includes:
* Fix NSME in `iterable_contains_unrelated_type` (#245).
* Fixed typo in `comment_references` error description.
* Fix `overriden_field` false positive (#246).
* Rename linter binary `lints` option to `rules` (#248).
* Help doc tweaks.

BUG=
R=brianwilkerson@google.com

Review URL: https://codereview.chromium.org//2035653003 .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 594b7d6..a1c91cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# 0.1.18
+
+* Fix NSME in `iterable_contains_unrelated_type` (#245).
+* Fixed typo in `comment_references` error description.
+* Fix `overriden_field` false positive (#246).
+* Rename linter binary `lints` option to `rules` (#248).
+* Help doc tweaks.
+
 # 0.1.17
 
 * Fix to `public_member_api_docs` to check for documented getters when checking setters (#237).
diff --git a/pubspec.yaml b/pubspec.yaml
index 46c8b7a..6b195a0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: linter
-version: 0.1.17
+version: 0.1.18
 author: Dart Team <misc@dartlang.org>
 description: Style linter for Dart.
 homepage: https://github.com/dart-lang/linter