Correcting the PublishedBy and UpdatedBy fields to include the sys object.

[VigRoco]

The API returns a Sys object for the publishedBy and updatedBy fields. This PR fixes that issue by restructuring the types.

[codecov-io]

Codecov Report

Merging #61 (fcb3c4a) into master (c2cba1b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #61   +/-   ##
=======================================
  Coverage   53.70%   53.70%           
=======================================
  Files          13       13           
  Lines         998      998           
=======================================
  Hits          536      536           
  Misses        402      402           
  Partials       60       60           

---

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[codecov-commenter]

Codecov Report

Merging #61 (d250803) into master (c2cba1b) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master      #61   +/-   ##
=======================================
  Coverage   53.70%   53.70%           
=======================================
  Files          13       13           
  Lines         998      998           
=======================================
  Hits          536      536           
  Misses        402      402           
  Partials       60       60           

Impacted Files	Coverage Δ
entry.go	14.47% <0.00%> (ø)

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (master@c2cba1b). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #61   +/-   ##
=========================================
  Coverage          ?   53.70%           
=========================================
  Files             ?       13           
  Lines             ?      998           
  Branches          ?        0           
=========================================
  Hits              ?      536           
  Misses            ?      402           
  Partials          ?       60           

---

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 c2cba1b...0edbb3a. Read the comment docs.