fix: timezone, success bool for custom modules

[mattLLVW]

fix: #63

[codecov-io]

Codecov Report

Merging #75 into 2019.2 will decrease coverage by 0.32%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           2019.2      #75      +/-   ##
==========================================
- Coverage   94.15%   93.83%   -0.33%     
==========================================
  Files          15       15              
  Lines         890      892       +2     
==========================================
- Hits          838      837       -1     
- Misses         52       55       +3

Impacted Files	Coverage Δ
api/models.py	93.22% <100%> (-1.64%)	⬇️

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