jpeg has a max res limit, for longer videos it's a bug

[akamhy]

closes #91

[codecov]

Codecov Report

Merging #92 (1673b83) into main (735d063) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #92   +/-   ##
=======================================
  Coverage   98.07%   98.07%           
=======================================
  Files          10       10           
  Lines         468      468           
=======================================
  Hits          459      459           
  Misses          9        9           

Impacted Files	Coverage Δ
videohash/tilemaker.py	94.04% <100.00%> (ø)

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