Generalize variables type usage

[diogomatoschaves]

close #20

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (4426eec) 94.88% compared to head (456473b) 95.48%.

Files	Patch %	Lines
geneal/genetic_algorithms/_continuous.py	93.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #22      +/-   ##
==========================================
+ Coverage   94.88%   95.48%   +0.59%     
==========================================
  Files          33       33              
  Lines         880      908      +28     
==========================================
+ Hits          835      867      +32     
+ Misses         45       41       -4     

Flag	Coverage Δ
unittests	95.48% <97.14%> (+0.59%)	⬆️

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