Write MOF files by default

[odow]

Closes #239

[codecov]

Codecov Report

Merging #284 into master will decrease coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #284      +/-   ##
==========================================
- Coverage   93.43%   93.39%   -0.04%     
==========================================
  Files          19       19              
  Lines        1553     1545       -8     
==========================================
- Hits         1451     1443       -8     
  Misses        102      102

Impacted Files	Coverage Δ
src/algorithm.jl	98.09% <100%> (+0.26%)	⬆️
src/modeling_aids.jl	100% <100%> (+1.81%)	⬆️
src/plugins/parallel_schemes.jl	91.13% <0%> (-2.54%)	⬇️

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