Add get_primary_host_name

[olsonpm]

• add supporting tests

this commit supports the config.get('me') refactoring done in haraka/Haraka#2380

[codecov[bot]]

Codecov Report

Merging #35 into master will increase coverage by 0.28%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #35      +/-   ##
==========================================
+ Coverage   81.57%   81.86%   +0.28%     
==========================================
  Files           1        1              
  Lines         190      193       +3     
  Branches       56       57       +1     
==========================================
+ Hits          155      158       +3     
  Misses         35       35

Impacted Files	Coverage Δ
index.js	81.86% <100%> (+0.28%)	:arrow_up:

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[msimerson]

Thanks @olsonpm. Would you mind also bumping the version number in package.json and updating Changes. Then I'll merge and publish the new release.

[olsonpm]

for sure, i'll have it done in a couple hours

[olsonpm]

Ah I'm unfamiliar with when github decides to send notifications - this is a bump in case the push earlier didn't notify.

[msimerson]

$ npm publish
+ haraka-net-utils@1.1.0