Register update

[coder137]

• Added unit tests for Register module
• Updated Build, Dep and Test implementation

[codecov]

Codecov Report

Merging #112 (f04733a) into main (d2c1759) will increase coverage by 0.23%.
The diff coverage is 78.95%.

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
+ Coverage   75.91%   76.14%   +0.23%     
==========================================
  Files          27       29       +2     
  Lines         797      834      +37     
  Branches      259      271      +12     
==========================================
+ Hits          605      635      +30     
- Partials      192      199       +7     

Impacted Files	Coverage Δ
buildcc/lib/args/include/args/register.h	66.67% <66.67%> (ø)
buildcc/lib/args/src/register.cpp	82.35% <81.25%> (ø)

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