Fix issue 147

[codecov[bot]]

Codecov Report

Merging #151 (726adf0) into main (7ea374c) will increase coverage by 2.65%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #151      +/-   ##
==========================================
+ Coverage   97.05%   99.71%   +2.65%     
==========================================
  Files           6        8       +2     
  Lines         339      345       +6     
==========================================
+ Hits          329      344      +15     
+ Misses         10        1       -9     

Files Changed	Coverage Δ
lib/relaton_iso.rb	100.00% <100.00%> (ø)
lib/relaton_iso/config.rb	100.00% <100.00%> (ø)
lib/relaton_iso/hit.rb	100.00% <100.00%> (+8.69%)	:arrow_up:
lib/relaton_iso/hit_collection.rb	97.61% <100.00%> (+0.11%)	:arrow_up:
lib/relaton_iso/iso_bibliography.rb	100.00% <100.00%> (+7.07%)	:arrow_up:
lib/relaton_iso/logger.rb	100.00% <100.00%> (ø)