* Use ID or Where to instead directly use Get when load object from database

* Apply suggestions from code review

Co-authored-by: 6543 <6543@obermui.de>

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>

* Implement mail activation admin panel

* Add export comments

* Fix another export comment

* again...

* And again!

* Apply suggestions by @lunny

* Add UI for user activated emails

* Make new activation UI work

* Fix lint

* Prevent admin from self-deactivate; add modal

Co-authored-by: zeripath <art27@cantab.net>

* reduce usage of allcols on update

* fix bug and tests

* Remove unused custom-alphabet feature of random string generator

Fix random string generator

Random string generator should return error if it fails to read random data via crypto/rand

* Fixes variable (un)initialization mixed assign
Update test GetRandomString