* rework mention creation a bit
* rework mention creation a bit
* tidy up status dereferencing
* start adding tests for dereferencing
* fixups
* fix
* review changes
* start moving some database stuff around
* continue moving db stuff around
* more fiddling
* more updates
* and some more
* and yet more
* i broke SOMETHING but what, it's a mystery
* tidy up
* vendor ttlcache
* use ttlcache
* fix up some tests
* rename some stuff
* little reminder
* some more updates
* decided where to put reply dereferencing
* fiddling with dereferencing threads
* further adventures
* tidy up some stuff
* move dereferencing functionality
* a bunch of refactoring
* go fmt
* more refactoring
* bleep bloop
* docs and linting
* start implementing replies collection on gts side
* fiddling around
* allow dereferencing our replies
* lint, fmt