macOS support

[citruz]

No description provided.

[coveralls]

Coverage decreased (-6.1%) to 80.14% when pulling c626caf on macos into 513e1c7 on master.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@513e1c7). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #58   +/-   ##
=========================================
  Coverage          ?   81.23%           
=========================================
  Files             ?       24           
  Lines             ?      906           
  Branches          ?        0           
=========================================
  Hits              ?      736           
  Misses            ?      170           
  Partials          ?        0           

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