Added GUnzip function

[cmaglie]

No description provided.

[codecov-commenter]

Codecov Report

Merging #11 (e27cc55) into master (3d2c600) will decrease coverage by 0.19%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master      #11      +/-   ##
==========================================
- Coverage   65.91%   65.72%   -0.20%     
==========================================
  Files           4        5       +1     
  Lines         267      283      +16     
==========================================
+ Hits          176      186      +10     
- Misses         63       65       +2     
- Partials       28       32       +4     

Flag	Coverage Δ
unit	65.72% <50.00%> (-0.20%)	⬇️

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Impacted Files	Coverage Δ
gzip.go	50.00% <50.00%> (ø)
paths.go	64.28% <0.00%> (+1.02%)	⬆️

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