Fix JSON

[aaowens]

No description provided.

[codecov-io]

Codecov Report

Merging #26 into master will increase coverage by 0.35%.
The diff coverage is 14.28%.

@@            Coverage Diff             @@
##           master      #26      +/-   ##
==========================================
+ Coverage   37.72%   38.07%   +0.35%     
==========================================
  Files           7        7              
  Lines         281      281              
==========================================
+ Hits          106      107       +1     
+ Misses        175      174       -1

Impacted Files	Coverage Δ
src/types.jl	50% <ø> (+16.66%)	⬆️
src/construct_alldata.jl	0% <0%> (ø)	⬆️
src/use_codebook.jl	97.1% <100%> (ø)	⬆️

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