Merge branch 'origin/#6-fix-transactions'
batchDeleteRelativesBySingleQuery param for safer multi-delete of relatives
Fix deletion of related records configured with array (in HAS_MANY repation with ['foreignPk'=>'myKeyField'] as foreign key)
Fix deletion of related records configured with array (in HAS_MANY repation with ['foreignPk'=>'myKeyField'] as foreign key)
Merge pull request #8 from velosipedist/fix-array-pk-deletion

Fix array pk deletion