PDU status custom errors

[roysjosh]

RE: conversation in #63

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (dev@e4e9035). Click here to learn what that means.
The diff coverage is n/a.

@@          Coverage Diff           @@
##             dev      #64   +/-   ##
======================================
  Coverage       ?   72.63%           
======================================
  Files          ?       64           
  Lines          ?     5040           
  Branches       ?        0           
======================================
  Hits           ?     3661           
  Misses         ?     1379           
  Partials       ?        0           

Flag	Coverage Δ
unittests	72.63% <0.00%> (?)

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[Jc2k]

LGTM, cheers