Show local variables on unhandled crash

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23446 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Update Extract City tool to create a place hierarchy

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23447 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Set place type to "Unknown" when main location is missing

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23448 4ae1f11a-8b86-4847-b8af-ab372f36d1fd