README.md in env_pull_request-1.0.0 vs README.md in env_pull_request-1.1.0

- old
+ new
@@ -65,9 +65,12 @@
     * `ENV['TRAVIS_PULL_REQUEST']`
     * [Environment Variables - Travis CI](http://docs.travis-ci.com/user/environment-variables/#Default-Environment-Variables)
 * CircleCI
     * `ENV['CIRCLE_PR_NUMBER']`
     * [Environment variables - CircleCI](https://circleci.com/docs/environment-variables#building-pull-requests-that-come-from-forks)
+* Bitrise
+    * `ENV['BITRISE_PULL_REQUEST']`
+    * [Environment variables - Bitrise](https://devcenter.bitrise.io/faq/available-environment-variables/)
 * Jenkins GitHub pull request builder plugin
     * `ENV['ghprbPullId']`
     * [GitHub pull request builder plugin - Jenkins - Jenkins Wiki](https://wiki.jenkins-ci.org/display/JENKINS/GitHub+pull+request+builder+plugin#GitHubpullrequestbuilderplugin-EnvironmentVariables)
 
 