add Julia 1.3 to testing

[dehann]

No description provided.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@fd13023). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #196   +/-   ##
=========================================
  Coverage          ?   23.85%           
=========================================
  Files             ?       30           
  Lines             ?     1488           
  Branches          ?        0           
=========================================
  Hits              ?      355           
  Misses            ?     1133           
  Partials          ?        0

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fd13023...c43a01c. Read the comment docs.