Add binary encoding support

[cmaglie]

As per subject.

[codecov]

Codecov Report

Merging #6 (3d72585) into master (2f82020) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master       #6      +/-   ##
==========================================
+ Coverage   99.84%   99.86%   +0.01%     
==========================================
  Files           9       10       +1     
  Lines         651      735      +84     
==========================================
+ Hits          650      734      +84     
  Misses          1        1              

Impacted Files	Coverage Δ
binary.go	100.00% <100.00%> (ø)

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