ORM updates to support dual-column foreign constraints and relations. Updates to ->and and ->or chaining methods to be used with joins
Merge branch 'master' of git://github.com/wave-framework/wave into orm-updates
Merge pull request #4 from wave-framework/master

Where clauses are now ignored when there are no parameters to be bound
Added support for getting violations from map constraints
Merge remote-tracking branch 'origin/master' into orm-updates
Merge pull request #5 from wave-framework/orm-updates

Orm updates