added smarter lookahead for pacversion parsing

[stschiff]

as discussed in person.

[stschiff]

Need to add changelog and version bump

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.98%. Comparing base (b8f6ee9) to head (585c2ce).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #366      +/-   ##
==========================================
+ Coverage   56.96%   56.98%   +0.01%     
==========================================
  Files          33       33              
  Lines        5052     5052              
  Branches      550      549       -1     
==========================================
+ Hits         2878     2879       +1     
  Misses       1624     1624              
+ Partials      550      549       -1     

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