Update for Julia-1.1

[Ayushk4]

I forgot to update appveyor and travis scripts after closing #27 , so this is a follow up on that.

[codecov-io]

Codecov Report

Merging #30 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #30   +/-   ##
=======================================
  Coverage   94.27%   94.27%           
=======================================
  Files          10       10           
  Lines         524      524           
=======================================
  Hits          494      494           
  Misses         30       30

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