Changes for Database/BBDB

from 0.5 -> 0.6 The new BBDB version (BBDB3) uses file format 9 now. Three fields were added: a hash field, a creation date field, and a modification time field. Theses used to be present in the notes field.

from 0.4 -> 0.5

The BBDB file format changed. The current version of the format is 7. Once field, called Affixes was added, and now the extension in a US phone field is required.