[perl5-dbi/DBI-Test] 207eac: Pushing this example further along.

[Tim Bunce]

  Branch: refs/heads/master
  Home:   https://github.com/perl5-dbi/DBI-Test
  Commit: 207eac170d96ede9d161fe28ca0a7b12ddcfc8cd
      
https://github.com/perl5-dbi/DBI-Test/commit/207eac170d96ede9d161fe28ca0a7b12ddcfc8cd
  Author: Tim Bunce <tim.bu...@pobox.com>
  Date:   2013-10-22 (Tue, 22 Oct 2013)

  Changed paths:
    M sandbox/tim/tumbler.pl

  Log Message:
  -----------
  Pushing this example further along.

Now supports our variables as settings.
Includes example dbd_settings_provider with DBM variants.
Includes example of adding extra tests for some variants.
More comments.