fix absolute path detection

[AlexHaxe]

added version to config files

[codecov-io]

Codecov Report

Merging #422 into dev will decrease coverage by <.01%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##              dev     #422      +/-   ##
==========================================
- Coverage   91.24%   91.24%   -0.01%     
==========================================
  Files         125      125              
  Lines        9107     9113       +6     
  Branches      327      328       +1     
==========================================
+ Hits         8310     8315       +5     
  Misses        512      512              
- Partials      285      286       +1

Impacted Files	Coverage Δ
src/checkstyle/utils/ConfigUtils.hx	62.5% <100%> (+0.43%)	⬆️
src/checkstyle/config/ConfigParser.hx	72.53% <57.14%> (-0.28%)	⬇️
src/checkstyle/CheckerPool.hx	100% <0%> (+3.22%)	⬆️

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