* add preparable and timelineable interfaces
* initialize timeline manager within the processor
* generic renaming
* move status-specific timeline logic into the processor
* refactor timeline to make it useful for more than statuses
* reference logrus' global logger instead of passing and storing a logger reference everywhere
* always directly use global logrus logger instead of referencing an instance
* test suites should also directly use the global logrus logger
* rename gin logging function to clarify that it's middleware
* correct comments which erroneously referenced removed logger parameter
* setting log level for tests now uses logrus' exported type instead of the string value, to guarantee error isn't possible
* start messing about with timeline manager
* i have no idea what i'm doing
* i continue to not know what i'm doing
* it's coming along
* bit more progress
* update timeline with new posts as they come in
* lint and fmt
* Select accounts where empty string
* restructure a bunch, get unfaves working
* moving stuff around
* federate status deletes properly
* mention regex better but not 100% there
* fix regex
* some more hacking away at the timeline code phew
* fix up some little things
* i can't even
* more timeline stuff
* move to ulid
* fiddley
* some lil fixes for kibou compatibility
* timelines working pretty alright!
* tidy + lint
