Release Name: 0.9.0

Notes:
Composite key support for ActiveRecords


Changes:
== 0.9.0 2007-09-28

* Added support for polymorphs [thx nerdrew]
* init.rb file so gem can be installed as a plugin for Rails [thx nerdrew]
* Added ibm_db support [thx K Venkatasubramaniyan]
* Support for cleaning dependents [thx K Venkatasubramaniyan]
* Rafactored db rake tasks into namespaces
* Added namespaced tests (e.g. mysql:test for test_mysql)