.travis.yml in git-switcher-0.0.2 vs .travis.yml in git-switcher-1.0.0

@@ -1,6 +1,7 @@
+---
+sudo: false
 language: ruby
+cache: bundler
 rvm:
-  - "1.9.2"
-  - "1.9.3"
-# uncomment this line if your project needs to run something other than `rake`:
-# script: bundle exec rspec spec
+  - 2.3.8
+before_install: gem install bundler -v 2.0.1