Avoid not released functionality, stick to version 0.16
Test database_close() and database_destroy()
Test whether Notmuch loads
Disable prototypes and silent a warning
Wrap notmuch_database_add_message()
Wrap notmuch_database_needs_upgrade()
Wrap notmuch_message_destroy()
Add all the rest messages to a test DB
Wrap notmuch_message_get_filename()
Wrap notmuch_message_get_message_id()
Wrap notmuch_database_remove_message()
Clean up tests
Wrap notmuch_database_find_message()
Wrap notmuch_database_find_message_by_filename()
Add all known messages to a test DB
Wrap notmuch_message_get_date()
Wrap notmuch_message_get_header()
Clean up tests