Refactor `getModuleVersionInfo` and use function in ExcHndl

[codecov-commenter]

Codecov Report

Merging #77 (8e45c36) into master (26bce89) will decrease coverage by 0.10%. The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master      #77      +/-   ##
==========================================
- Coverage   50.50%   50.40%   -0.11%     
==========================================
  Files          15       15              
  Lines        1964     1964              
  Branches      749      750       +1     
==========================================
- Hits          992      990       -2     
- Misses        747      748       +1     
- Partials      225      226       +1     

Impacted Files	Coverage Δ
src/exchndl/exchndl.cpp	70.86% <33.33%> (-1.80%)	:arrow_down:
src/common/log.cpp	64.16% <88.88%> (+0.12%)	:arrow_up:

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[jrfonseca]

Thanks