Merge 'trunk' into 'sybase'

r5497@hlagh (orig r6647):  timbunce | 2009-06-12 07:27:38 -0700
Added reference to get_inflated_columns in get_columns docs.

r5510@hlagh (orig r6661):  ribasushi | 2009-06-13 08:56:54 -0700
Test resultset serialization as well
r5511@hlagh (orig r6662):  ribasushi | 2009-06-13 09:08:14 -0700
local()ize sqla for in the right place
r5512@hlagh (orig r6663):  ribasushi | 2009-06-13 09:10:22 -0700
Do not use raw sources in {from} - proxy via source handles

diff --cc lib/DBIx/Class/Storage/DBI.pm
Simple merge