* implement status pin client api + web handler
* make test names + comments more descriptive
* don't use separate table for status pins
* remove unused add + remove checking
* tidy up + add some more tests
* 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