Merge 'trunk' into 'and_or'

Merge 'trunk' into 'and_or'

r5918@Thesaurus (orig r5917):  arcanez | 2009-04-21 02:03:47 +0200
patch for -between to handle [\"", \""] and \["", @bind] with accompanying tests
r5922@Thesaurus (orig r5921):  ribasushi | 2009-04-21 08:30:25 +0200
Silence warning on bleadperl (by SMPETERS)
r5982@Thesaurus (orig r5981):  arcanez | 2009-04-24 20:47:06 +0200
add support for order_by => [qw/colA colB/]
r5983@Thesaurus (orig r5982):  arcanez | 2009-04-24 20:54:00 +0200
add in my changes
r5985@Thesaurus (orig r5984):  ribasushi | 2009-04-24 21:53:07 +0200
Make POD more readable, add a (failing) multikey order_by test
r5986@Thesaurus (orig r5985):  ribasushi | 2009-04-24 23:17:32 +0200
Wrap up order_by saga
r5994@Thesaurus (orig r5993):  arcanez | 2009-04-28 08:45:31 +0200
patch to suppress warnings in case first element of the arrayref is undef (NULL)
r5998@Thesaurus (orig r5997):  ribasushi | 2009-04-28 15:27:33 +0200
Refactor the parenthesis unroll SQLA::Test code
Allow explicit override: $SQL::Abstract::Test::parenthesis_significant
r5999@Thesaurus (orig r5998):  ribasushi | 2009-04-28 15:29:52 +0200
Add -nest tests by ldami
r6000@Thesaurus (orig r5999):  ribasushi | 2009-04-28 15:36:56 +0200
Disable t/10test.t for ordinary users (suggested by ldami)
r6001@Thesaurus (orig r6000):  dami | 2009-04-28 18:17:07 +0200
test -nest inside an arrayref
r6002@Thesaurus (orig r6001):  ribasushi | 2009-04-28 18:52:12 +0200
Parenthesis do matter in -nest tests