Log Message:
Update ruby-data_objects pacakge to 0.10.6.

## 0.10.6 2011-05-22

Bugfixes
* Fix an issue on some platforms when multiple DO drivers are loaded

## 0.10.5 2011-05-03

Bugfixes
* Fix an issue with DateTime (do\_sqlite3)

## 0.10.4 2011-04-28

New features
* Add save point to transactions (all)
* JRuby 1.9 mode support (encodings etc.)

Bugfixes
* Fix segfault when no tuples are returned from a non select statement (do\_postgres)
* Fix bug when using nested transactions in concurrent scenarios (all)
* Use column aliases instead of names (jruby)
* DST calculation fixes (all)
* Attempt to add better support for ancient MySQL versions (do\_mysql)
* Fix handling sub second precision for Time objects (do\_postgres)

Other
* Refactor to DRY up the adapters (all)
* Many style fixes
* Switch back to RSpec

## 0.10.3 2011-01-30
* Reworked transactions
* Fix a DST bug that could cause datetimes in the wrong timezone