.travis.yml in pokemon_tcg_sdk-2.3.0 vs .travis.yml in pokemon_tcg_sdk-2.4.0

@@ -1,4 +1,4 @@
-language: ruby
-rvm:
-  - 2.3.0
-before_install: gem install bundler -v 1.12.5
+language: ruby
+rvm:
+  - 2.3.0
+before_install: gem install bundler -v 1.12.5