Change repr(float) if float(int(f)) == f

[ghost]

Fixes #103

[codecov-io]

Codecov Report

Merging #104 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #104      +/-   ##
==========================================
+ Coverage   69.64%   69.65%   +<.01%     
==========================================
  Files          60       60              
  Lines       10810    10812       +2     
==========================================
+ Hits         7529     7531       +2     
  Misses       2750     2750              
  Partials      531      531

Impacted Files	Coverage Δ
py/float.go	35.84% <100%> (+0.61%)	⬆️

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[ncw]

Thank you very much :-)