ci: Changes to CI configuration and supported versions

Mikemosca · Mikemosca · commit f12daa2cbb74 · 2020-05-06T15:45:25.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ sudo: required
 rvm:
 - 2.5.1
 - 2.6.1
+- 2.7.1
 
 before_install:
   - git fetch --tags
