add newer ruby versions to .travis.yml

svenfuchs · svenfuchs · commit 156c00931e5d · 2017-04-25T18:47:41.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,4 +3,8 @@ rvm:
   - 1.8.7
   - 1.9.2
   - 1.9.3
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
   - ree

-Original file line number
+Diff line change
   - 1.8.7
   - 1.9.2
   - 1.9.3
 +  - 2.1
 +  - 2.2
 +  - 2.3
 +  - 2.4
   - ree