v2.0.0 release

[mkenney]

Please describe this change

Updated error handling
Go modules

Changes

What types of changes does your code introduce?

• Feature development

Checklist

• Unit tests, acceptance tests, lint checks, code style checks, etc., all pass

[codecov]

Codecov Report

Merging #25 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #25   +/-   ##
=======================================
  Coverage   66.46%   66.46%           
=======================================
  Files          13       13           
  Lines         838      838           
=======================================
  Hits          557      557           
  Misses        260      260           
  Partials       21       21           

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