Split Storage

[groenroos]

Splits the Storage class between Storage, User, and a new Request class.

As a side bonus, adds a new test:nocov script to run tests without coverage, owing to c8 being so slow.

Closes #261

[codecov]

Codecov Report

Merging #269 (7cfbc8e) into master (fbc9576) will increase coverage by 0.01%.
The diff coverage is 88.59%.

❗ Current head 7cfbc8e differs from pull request most recent head f4f151a. Consider uploading reports for the commit f4f151a to get more accurate results

@@            Coverage Diff             @@
##           master     #269      +/-   ##
==========================================
+ Coverage   96.65%   96.67%   +0.01%     
==========================================
  Files          35       36       +1     
  Lines        4340     4365      +25     
==========================================
+ Hits         4195     4220      +25     
  Misses        145      145              

Impacted Files	Coverage Δ
lib/Request.js	87.27% <87.27%> (ø)
lib/User.js	96.66% <90.58%> (-3.34%)	⬇️
core/loadModules.js	100.00% <100.00%> (ø)
hooks/sapling/user/recover.js	100.00% <100.00%> (ø)
hooks/sapling/user/register.js	98.11% <100.00%> (ø)
hooks/sapling/user/update.js	100.00% <100.00%> (ø)
lib/Storage.js	83.57% <100.00%> (-1.64%)	⬇️

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