WIP: make writer work

[CJ-Wright]

No description provided.

[codecov-io]

Codecov Report

Merging #139 into master will decrease coverage by 0.31%.
The diff coverage is 88.11%.

@@            Coverage Diff             @@
##           master     #139      +/-   ##
==========================================
- Coverage   95.84%   95.52%   -0.32%     
==========================================
  Files          19       21       +2     
  Lines        2404     2504     +100     
  Branches      561      576      +15     
==========================================
+ Hits         2304     2392      +88     
- Misses         49       57       +8     
- Partials       51       55       +4

Impacted Files	Coverage Δ
shed/tests/test_writers.py	100% <100%> (ø)
shed/tests/test_translation.py	100% <100%> (ø)	⬆️
shed/translation.py	90.78% <100%> (+0.93%)	⬆️
shed/writers.py	78.18% <78.18%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2e8a0ce...3710399. Read the comment docs.

[CJ-Wright]

This needs more tests.

[CJ-Wright]

The lack of coverage is due to parts of the writer not covered. I'm willing to accept that.