Bump to 0.1.8

CHANGELOG.md

+v 0.1.8
+- Allow to use prefixed services
+- Allow to run on Heroku
+- Inherit environment variables by default for shell scripts
+- Mute git messages during checkout
+- Remove some unused internal messages from build log
+
 v 0.1.7
 - Fixed git checkout
 

README.md

@@ -35,10 +35,10 @@ This project was made as Go learning opportunity. The initial release was create
 
 1. Simply download one of this binaries for your system:
 	```bash
-	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.7/gitlab-ci-multi-runner-linux-386
-	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.7/gitlab-ci-multi-runner-linux-amd64
-	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.7/gitlab-ci-multi-runner-darwin-386
-	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.7/gitlab-ci-multi-runner-darwin-amd64
+	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.8/gitlab-ci-multi-runner-linux-386
+	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.8/gitlab-ci-multi-runner-linux-amd64
+	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.8/gitlab-ci-multi-runner-darwin-386
+	sudo wget -O /usr/local/bin/gitlab-ci-multi-runner https://github.com/ayufan/gitlab-ci-multi-runner/releases/download/v0.1.8/gitlab-ci-multi-runner-darwin-amd64
 	```
 
 1. Give it permissions to execute:

VERSION

-0.1.7
+0.1.8