fix RAM usage and clean stuff up

[Uzay-G]

Addresses #304

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.58 🎉

Comparison is base (7c5a4ac) 85.19% compared to head (3d2160f) 85.77%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #305      +/-   ##
==========================================
+ Coverage   85.19%   85.77%   +0.58%     
==========================================
  Files          28       28              
  Lines        2539     2623      +84     
==========================================
+ Hits         2163     2250      +87     
+ Misses        376      373       -3     

Impacted Files	Coverage Δ
archivy/click_web/resources/cmd_exec.py	55.75% <ø> (+0.39%)	⬆️
archivy/models.py	87.97% <ø> (+0.15%)	⬆️
archivy/tags.py	100.00% <ø> (ø)
setup.py	0.00% <ø> (ø)
tests/integration/test_api.py	99.35% <ø> (-0.01%)	⬇️
archivy/data.py	92.59% <100.00%> (+0.67%)	⬆️
archivy/routes.py	89.13% <100.00%> (+0.89%)	⬆️
tests/functional/test_routes.py	100.00% <100.00%> (ø)

... and 9 files with indirect coverage changes

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[codeclimate]

Code Climate has analyzed commit 3d2160f and detected 0 issues on this pull request.

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