update file date on hash update (face only)
fix stupid bug that would result in never updating images
redis gives us a string. Thus, <time> + <number> resulted in '<time><number>' which was quite a big number and wouldn't ever be bigger than a valid Date
use seconds (as stated in config)
timestamps in JS are ms. multiplied config value with 1000 so it's converted to ms
:poop: :poop: :poop: :poop: genius me

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clarify config options
remove link to latest commit, wasn't working as expected