Gavin Mendel-Gleason

Fixes #1340 + some strange behaviour on listing of non-existing databases when not seeking metadata

Not really something which Fixes #733 since it is already fixed.

Fixes #1245

Fixes #1262

Fixes #1175

Fixes #1233 completely

Fixes #776

block user deletion if capabilities exist

1

We better be clearing out the capabilities or we will be left with unaffiliated capabilities.

```shell gavin@titan:~/dev/terminusdb$ ./terminusdb db list test [19] throw(error(invalid_absolute_path(test),_404)) ```