Update addresses for 2.16 hotfix

The addresses require 2 levels of pointers to get to now, which is what
other libraries/apps have been doing for a while.
This is much more tricky/weird to put in the setting dialog, so just
removing it.
Don't deref null pointers
Null pointers shouldn't show 0 tp
Merge pull request #8 from danakj/master

Fixes for the latest hotfix