NEW - Added public identifier to credentials output

[mjholtkamp]

No description provided.

[codecov]

Codecov Report

Merging #19 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #19   +/-   ##
=======================================
  Coverage   99.71%   99.71%           
=======================================
  Files          19       19           
  Lines         351      351           
=======================================
  Hits          350      350           
  Misses          1        1

Impacted Files	Coverage Δ
katka/serializers.py	100% <100%> (ø)	⬆️

---

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 57175d7...76c68ea. Read the comment docs.