Every error TRACE should be stored in a special place, so that users can find them easily.
DError or DIncomplete - should not have happened
DErrorRail - an error path reaches the user with Error/Nothing
Non 200 results
unit tests which aren't passing
allow users assert that things can't happen
uses of deprecated functions
can users add bugs, TODOs, etc, in here.
Can users add things in here dynamically?
Allow users to find them by: