Merge pull request #274 from rcrowley/mihasya/catch-up-to-14

add 1.13 and 1.14 to auto builds

.travis.yml

@@ -11,6 +11,8 @@ go:
     - "1.10"
     - "1.11"
     - "1.12"
+    - "1.13"
+    - "1.14"
 
 script:
     - ./validate.sh