Merge pull request #37 from donutloop/feature/travis_update

updated travis configuration

Author: donutloop

.travis.yml

@@ -4,7 +4,17 @@ go:
   - 1.7.x
   - 1.8.x
   - 1.9.x
+  - 1.10.x
+  - 1.11.x
+
+os:
+  - linux
+  - osx
+  - windows
+
 before_install:
   - go get github.com/mattn/goveralls
+
 script:
+  - go test -v ./...
   - $HOME/gopath/bin/goveralls -service=travis-ci