.travis.yml in email_inquire-0.0.0 vs .travis.yml in email_inquire-0.1.0

@@ -1,5 +1,9 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.1
-before_install: gem install bundler -v 1.13.1
+  - 2.1.8
+  - 2.2.5
+  - 2.3.3
+  - 2.4.0
+before_install: gem install bundler -v 1.13.7
+bundler_args: --without local