Also build on 1.3

Author: haampie

.travis.yml

@@ -3,6 +3,7 @@ os:
   - linux
 julia:
   - 1.0
+  - 1.3
   - nightly
 matrix:
   allow_failures:
@@ -21,4 +22,4 @@ jobs:
       script:
         - julia --project=docs/ -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
         - julia --project=docs/ docs/make.jl
-      after_success: skip
+      after_success: skip